Dot not swallow log messages

src/Buffer.cpp

@@ -2253,8 +2253,11 @@ void Buffer::dispatch(FuncRequest const & func, DispatchResult & dr)
 
 	switch (func.action()) {
 	case LFUN_BUFFER_TOGGLE_READ_ONLY:
-		if (lyxvc().inUse())
-			lyxvc().toggleReadOnly();
+		if (lyxvc().inUse()) {
+			string log = lyxvc().toggleReadOnly();
+			if (!log.empty())
+				dr.setMessage(log);
+		}
 		else
 			setReadonly(!isReadonly());
 		break;

src/LyXVC.cpp

@@ -259,25 +259,24 @@ void LyXVC::undoLast()
 }
 
 
-void LyXVC::toggleReadOnly()
+string LyXVC::toggleReadOnly()
 {
 	if (!vcs)
-		return;
+		return string();
 	if (!vcs->toggleReadOnlyEnabled())
-		return;
+		return string();
 
 	switch (vcs->status()) {
 	case VCS::UNLOCKED:
 		LYXERR(Debug::LYXVC, "LyXVC: toggle to locked");
-		checkOut();
-		break;
+		return checkOut();
 	case VCS::LOCKED:
 		LYXERR(Debug::LYXVC, "LyXVC: toggle to unlocked");
-		checkIn();
-		break;
+		return checkIn();
 	case VCS::NOLOCKING:
 		break;
 	}
+	return string();
 }
 
 

src/LyXVC.h

@@ -135,7 +135,7 @@ public:
 	 * keep things in synchro once we would allow user to toggle
 	 * read-only flags.
 	 */
-	void toggleReadOnly();
+	std::string toggleReadOnly();
 
 	/// Is the document under administration by VCS?
 	bool inUse() const;