Disconnect timers early

When a TerminalDisplay is destroyed, the timers are still active
until they are deleted by QObject, so they could fire when anything
in the QWidget or QObject destructor processes events.

BUG: 208199

svn path=/trunk/KDE/kdebase/apps/konsole/; revision=1082643

src/TerminalDisplay.cpp

@@ -378,6 +378,8 @@ TerminalDisplay::TerminalDisplay(QWidget *parent)
 
 TerminalDisplay::~TerminalDisplay()
 {
+  disconnect(_blinkTimer);
+  disconnect(_blinkCursorTimer);
   qApp->removeEventFilter( this );
   
   delete[] _image;