[LyX/master] Add a check to please coverity.

[Richard Heck]

commit 7b15ea393ffc0710534b6072c4d4f7706f1b426e
Author: Richard Heck <rgh...@lyx.org>
Date:   Sun Jun 12 00:12:03 2016 -0400

    Add a check to please coverity.
    
    Fixes #23496.

diff --git a/src/frontends/qt4/GuiView.cpp b/src/frontends/qt4/GuiView.cpp
index fc2170d..87ee553 100644
--- a/src/frontends/qt4/GuiView.cpp
+++ b/src/frontends/qt4/GuiView.cpp
@@ -2751,9 +2751,13 @@ bool GuiView::closeWorkArea(GuiWorkArea * wa)
 bool GuiView::closeBuffer()
 {
        GuiWorkArea * wa = currentMainWorkArea();
+       // coverity complained about this
+       // it seems unnecessary, but perhaps is worth the check
+       LASSERT(wa, return false);
+
        setCurrentWorkArea(wa);
        Buffer & buf = wa->bufferView().buffer();
-       return wa && closeWorkArea(wa, !buf.parent());
+       return closeWorkArea(wa, !buf.parent());
 }
 
 
diff --git a/src/frontends/qt4/InGuiThread.h b/src/frontends/qt4/InGuiThread.h
index 65fd648..86c4afe 100644
--- a/src/frontends/qt4/InGuiThread.h
+++ b/src/frontends/qt4/InGuiThread.h
@@ -52,7 +52,8 @@ class InGuiThread : private IntoGuiThreadMover
 {
 public:
 
-       InGuiThread() {}
+       // please coverity by explicitly initalizing this variable.
+       InGuiThread() : return_value_(R()) {}
 
        template<class F>
        R call(F f)