Add missing intializations

These were found by cppcheck:
Member variable 'x' is not initialized in the constructor.
The crash #9788 would not have happened if this had been done earlier.

src/BufferView.cpp

@@ -234,7 +234,9 @@ struct BufferView::Private
 		mouse_position_cache_(),
 		bookmark_edit_position_(-1), gui_(0),
 		horiz_scroll_offset_(0)
-	{}
+	{
+		xsel_cache_.set = false;
+	}
 
 	///
 	ScrollbarParameters scrollbarParameters_;

src/Trans.cpp

@@ -429,10 +429,9 @@ tex_accent getkeymod(string const & p)
 
 
 // TransFSMData
-TransFSMData::TransFSMData()
+TransFSMData::TransFSMData() : deadkey_(0), deadkey2_(0), init_state_(0),
+	deadkey_state_(0), combined_state_(0), currentState(0)
 {
-	deadkey_ = deadkey2_ = 0;
-	deadkey_info_.accent = deadkey2_info_.accent = TEX_NOACCENT;
 }
 
 

src/Trans.h

@@ -90,6 +90,8 @@ extern TeXAccent get_accent(FuncCode action);
 
 ///
 struct Keyexc {
+	///
+	Keyexc() : c('\0'), combined(false), accent(TEX_NOACCENT) {}
 	/// character to make exception
 	char_type c;
 	/// exception data
@@ -106,6 +108,8 @@ typedef std::list<Keyexc> KmodException;
 ///
 class KmodInfo {
 public:
+	///
+	KmodInfo() : accent(TEX_NOACCENT) {}
 	///
 	docstring data;
 	///

src/frontends/qt4/GuiWorkArea.cpp

@@ -132,7 +132,9 @@ namespace frontend {
 
 class CursorWidget {
 public:
-	CursorWidget() {
+	CursorWidget() : rtl_(false), l_shape_(false), completable_(false),
+		show_(false), x_(0), cursor_width_(0)
+	{
 		recomputeWidth();
 	}
 
@@ -244,10 +246,11 @@ SyntheticMouseEvent::SyntheticMouseEvent()
 
 
 GuiWorkArea::Private::Private(GuiWorkArea * parent)
-: p(parent), screen_(0), buffer_view_(0), lyx_view_(0), cursor_visible_(false),
+: p(parent), screen_(0), buffer_view_(0), read_only_(false), lyx_view_(0),
+cursor_visible_(false), cursor_(0),
 need_resize_(false), schedule_redraw_(false), preedit_lines_(1),
 pixel_ratio_(1.0),
-completer_(new GuiCompleter(p, p))
+completer_(new GuiCompleter(p, p)), dialog_mode_(false)
 {
 }
 

src/mathed/InsetMathDelim.cpp

@@ -43,13 +43,13 @@ static docstring convertDelimToLatexName(docstring const & name)
 
 InsetMathDelim::InsetMathDelim(Buffer * buf, docstring const & l,
 		docstring const & r)
-	: InsetMathNest(buf, 1), left_(l), right_(r)
+	: InsetMathNest(buf, 1), left_(l), right_(r), dw_(0)
 {}
 
 
 InsetMathDelim::InsetMathDelim(Buffer * buf, docstring const & l, docstring const & r,
 	MathData const & ar)
-	: InsetMathNest(buf, 1), left_(l), right_(r)
+	: InsetMathNest(buf, 1), left_(l), right_(r), dw_(0)
 {
 	cell(0) = ar;
 }

src/mathed/InsetMathDots.cpp

@@ -25,7 +25,7 @@
 namespace lyx {
 
 InsetMathDots::InsetMathDots(latexkeys const * key)
-	: key_(key)
+	: dh_(0), key_(key)
 {}
 
 

src/mathed/InsetMathGrid.cpp

@@ -81,7 +81,7 @@ static void resetGrid(InsetMathGrid & grid)
 
 
 InsetMathGrid::CellInfo::CellInfo()
-	: multi_(CELL_NORMAL)
+	: multi_(CELL_NORMAL), glue_(0), begin_(0), end_(0)
 {}
 
 
@@ -90,7 +90,8 @@ InsetMathGrid::CellInfo::CellInfo()
 
 
 InsetMathGrid::RowInfo::RowInfo()
-	: lines_(0), skip_(0), allow_newpage_(true)
+	: descent_(0), ascent_(0), offset_(0), lines_(0), skip_(0),
+	  allow_newpage_(true)
 {}
 
 
@@ -106,7 +107,7 @@ int InsetMathGrid::RowInfo::skipPixels(MetricsInfo const & mi) const
 
 
 InsetMathGrid::ColInfo::ColInfo()
-	: align_('c'), lines_(0), skip_(0)
+	: align_('c'), width_(0), offset_(0), lines_(0), skip_(0)
 {}
 
 

src/mathed/InsetMathUnknown.cpp

@@ -23,7 +23,8 @@ namespace lyx {
 
 InsetMathUnknown::InsetMathUnknown(docstring const & nm,
 	docstring const & selection, bool final, bool black)
-	: name_(nm), final_(final), black_(black), selection_(selection)
+	: name_(nm), final_(final), black_(black), kerning_(0),
+	  selection_(selection)
 {}
 
 

src/mathed/InsetMathXYArrow.cpp

@@ -22,7 +22,7 @@ namespace lyx {
 
 
 InsetMathXYArrow::InsetMathXYArrow()
-	: InsetMathNest(2)
+	: InsetMathNest(2), up_(false), target_(0)
 {}
 
 

src/support/gzstream.h

@@ -57,7 +57,7 @@ private:
 
     int flush_buffer();
 public:
-    gzstreambuf() : opened(0) {
+    gzstreambuf() : opened(0), mode(0) {
         setp( buffer, buffer + (bufferSize-1));
         setg( buffer + 4,     // beginning of putback area
               buffer + 4,     // read position

src/tex2lyx/table.cpp

@@ -144,7 +144,7 @@ public:
 class ltType {
 public:
 	// constructor
-	ltType() : topDL(false), bottomDL(false), empty(false) {}
+	ltType() : set(false), topDL(false), bottomDL(false), empty(false) {}
 	// we have this header type (is set in the getLT... functions)
 	bool set;
 	// double borders on top