Fix a probable crash when fullscreen controllers are disabled.

diff --git a/modules/gui/qt4/main_interface.cpp b/modules/gui/qt4/main_interface.cpp
index f96deb8c50867601d8b3b845082f17704e108644..ba56fec402f7672d7a5b594eba92a0e4d3cfacd4 100644 (file)
--- a/modules/gui/qt4/main_interface.cpp
+++ b/modules/gui/qt4/main_interface.cpp
@@ -829,7 +829,7 @@ void MainInterface::doComponentsUpdate()
 void MainInterface::toggleAdvanced()
 {
     controls->toggleAdvanced();
-    fullscreenControls->toggleAdvanced();
+    if( fullscreenControls ) fullscreenControls->toggleAdvanced();
 }
 
 /* Get the visibility status of the controls (hidden or not, advanced or not) */