[LyX/2.3.x] Initialize toolbarsMovable_

[Scott Kostyshak]

commit 9b821eb047a47008c80fe84e33dc2e59f01cdd59
Author: Scott Kostyshak <skost...@lyx.org>
Date:   Fri Apr 27 17:41:26 2018 -0400

    Initialize toolbarsMovable_
    
    Valgrind detected a conditional jump because this member was not
    initialized.
    
    (cherry picked from commit e49a10729e2b96202d0eaca1e63edc9212c7258c)
---
 src/frontends/qt4/GuiView.cpp |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/frontends/qt4/GuiView.cpp b/src/frontends/qt4/GuiView.cpp
index 0ffc4ac..af594cb 100644
--- a/src/frontends/qt4/GuiView.cpp
+++ b/src/frontends/qt4/GuiView.cpp
@@ -509,7 +509,8 @@ QSet<Buffer const *> GuiView::GuiViewPrivate::busyBuffers;
 
 GuiView::GuiView(int id)
        : d(*new GuiViewPrivate(this)), id_(id), closing_(false), busy_(0),
-         command_execute_(false), minibuffer_focus_(false), devel_mode_(false)
+         command_execute_(false), minibuffer_focus_(false), 
toolbarsMovable_(true),
+         devel_mode_(false)
 {
        connect(this, SIGNAL(bufferViewChanged()),
                this, SLOT(onBufferViewChanged()));