[LyX/master] Initialize GuiDocument:biblioChanged_ in constructor

[Jean-Marc Lasgouttes]

commit 725c66d20c4e2482b135cd38fe8a657d854489ab
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Thu Jun 9 17:38:30 2016 +0200

    Initialize GuiDocument:biblioChanged_ in constructor
    
    Found by Coverity

diff --git a/src/frontends/qt4/GuiDocument.cpp 
b/src/frontends/qt4/GuiDocument.cpp
index 25356d9..643ce55 100644
--- a/src/frontends/qt4/GuiDocument.cpp
+++ b/src/frontends/qt4/GuiDocument.cpp
@@ -634,7 +634,7 @@ void LocalLayout::validatePressed() {
 
 GuiDocument::GuiDocument(GuiView & lv)
        : GuiDialog(lv, "document", qt_("Document Settings")),
-         nonModuleChanged_(false)
+         biblioChanged_(false), nonModuleChanged_(false)
 {
        setupUi(this);