Remove unused variables

Found by cppcheck: (style) Unused variable: x

src/Counters.cpp

@@ -525,8 +525,6 @@ docstring Counters::flattenLabelString(docstring const & counter,
 				       string const & lang,
 				       vector<docstring> & callers) const
 {
-	docstring label;
-
 	if (find(callers.begin(), callers.end(), counter) != callers.end()) {
 		// recursion detected
 		lyxerr << "Warning: Recursion in label for counter `"

src/Paragraph.cpp

@@ -2193,7 +2193,6 @@ int Paragraph::Private::startTeXParParams(BufferParams const & bparams,
 			corrected_env(os, begin_tag, "flushright", code, lastpar, column);
 		break;
 	} case LYX_ALIGN_RIGHT: {
-		string output;
 		if (owner_->getParLanguage(bparams)->babel() != "hebrew")
 			corrected_env(os, begin_tag, "flushright", code, lastpar, column);
 		else

src/frontends/qt4/GuiGraphics.cpp

@@ -654,7 +654,6 @@ void GuiGraphics::applyView()
 	// the bb section
 	igp.bbox = graphics::BoundingBox();
 	if (bbChanged) {
-		string bb;
 		string lbXs = widgetToDoubleStr(lbX);
 		string lbYs = widgetToDoubleStr(lbY);
 		string rtXs = widgetToDoubleStr(rtX);

src/frontends/qt4/qt_helpers.cpp

@@ -466,7 +466,6 @@ Filter::Filter(docstring const & description, string const & globs)
 	string const expanded_globs = convert_brace_glob(globs);
 
 	// Split into individual globs.
-	vector<string> matches;
 	Tokenizer const tokens(expanded_globs, separator);
 	globs_ = vector<string>(tokens.begin(), tokens.end());
 }

src/insets/InsetNewline.cpp

@@ -40,7 +40,6 @@ InsetNewline::InsetNewline() : Inset(0)
 
 void InsetNewlineParams::write(ostream & os) const
 {
-	string command;
 	switch (kind) {
 	case InsetNewlineParams::NEWLINE:
 		os << "newline";

src/insets/InsetNewpage.cpp

@@ -47,7 +47,6 @@ InsetNewpage::InsetNewpage(InsetNewpageParams const & params)
 
 void InsetNewpageParams::write(ostream & os) const
 {
-	string command;
 	switch (kind) {
 	case InsetNewpageParams::NEWPAGE:
 		os << "newpage";

src/insets/InsetSeparator.cpp

@@ -45,7 +45,6 @@ InsetSeparator::InsetSeparator(InsetSeparatorParams const & params)
 
 void InsetSeparatorParams::write(ostream & os) const
 {
-	string command;
 	switch (kind) {
 	case InsetSeparatorParams::PLAIN:
 		os <<  "plain";

src/insets/InsetSpace.cpp

@@ -387,7 +387,6 @@ void InsetSpace::draw(PainterInfo & pi, int x, int y) const
 
 void InsetSpaceParams::write(ostream & os) const
 {
-	string command;
 	switch (kind) {
 	case InsetSpaceParams::NORMAL:
 		os << "\\space{}";

src/lyxfind.cpp

@@ -1008,7 +1008,6 @@ docstring stringifyFromCursor(DocIterator const & cur, int len)
 		pos_type end = ( len == -1 || cur.pos() + len > int(par.size()) ) ?
 			int(par.size()) : cur.pos() + len;
 		OutputParams runparams(&cur.buffer()->params().encoding());
-		odocstringstream os;
 		runparams.nice = true;
 		runparams.flavor = OutputParams::LATEX;
 		runparams.linelen = 100000; //lyxrc.plaintext_linelen;

src/output_docbook.cpp

@@ -136,7 +136,6 @@ ParagraphList::const_iterator makeEnvironment(
 
 	Layout const & defaultstyle = buf.params().documentClass().defaultLayout();
 	Layout const & bstyle = par->layout();
-	string item_tag;
 
 	// Opening outter tag
 	sgml::openTag(buf, os, runparams, *pbegin);
@@ -238,7 +237,7 @@ ParagraphList::const_iterator makeEnvironment(
 	if (bstyle.latextype == LATEX_ENVIRONMENT && bstyle.pass_thru)
 		os << "]]>";
 
-	// Closing outter tag
+	// Closing outer tag
 	sgml::closeTag(os, *pbegin);
 
 	return pend;