[LyX/master] Initialize GuiSendto::format_ in constructor

[Jean-Marc Lasgouttes]

commit e3d74ee935c8433b9e25df0e2fde762fc664f9a1
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Thu Jun 9 16:44:56 2016 +0200

    Initialize GuiSendto::format_ in constructor
    
    Found by Coverity.

diff --git a/src/frontends/qt4/GuiSendto.cpp b/src/frontends/qt4/GuiSendto.cpp
index 9d2503b..a04c0c9 100644
--- a/src/frontends/qt4/GuiSendto.cpp
+++ b/src/frontends/qt4/GuiSendto.cpp
@@ -37,7 +37,7 @@ namespace frontend {
 
 
 GuiSendTo::GuiSendTo(GuiView & lv)
-       : GuiDialog(lv, "sendto", qt_("Export or Send Document"))
+       : GuiDialog(lv, "sendto", qt_("Export or Send Document")), format_(0)
 {
        setupUi(this);