Fix behavior of debugger run widget.

The logic checking the other check box if the only checked one is being
unchecked was faulty, only updating the UI but not the actual state. As
a result, both C++ and QML were switched off, resulting in interesting
behavior when starting a debugging session.

Change-Id: Ifd61f7080ad70f816fa80b416f8594f057c299d4
Reviewed-by: hjk <hjk121@nokiamail.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/debugger/debuggerrunconfigurationaspect.cpp

@@ -184,8 +184,10 @@ void DebuggerRunConfigWidget::useCppDebuggerClicked(bool on)
     m_aspect->m_useCppDebugger = on
             ? DebuggerRunConfigurationAspect::EnabledLanguage
             : DebuggerRunConfigurationAspect::DisabledLanguage;
-    if (!on && !m_useQmlDebugger->isChecked())
+    if (!on && !m_useQmlDebugger->isChecked()) {
         m_useQmlDebugger->setChecked(true);
+        useQmlDebuggerClicked(true);
+    }
 }
 
 void DebuggerRunConfigWidget::useQmlDebuggerToggled(bool on)
@@ -199,8 +201,10 @@ void DebuggerRunConfigWidget::useQmlDebuggerClicked(bool on)
     m_aspect->m_useQmlDebugger = on
             ? DebuggerRunConfigurationAspect::EnabledLanguage
             : DebuggerRunConfigurationAspect::DisabledLanguage;
-    if (!on && !m_useCppDebugger->isChecked())
+    if (!on && !m_useCppDebugger->isChecked()) {
         m_useCppDebugger->setChecked(true);
+        useCppDebuggerClicked(true);
+    }
 }
 
 void DebuggerRunConfigWidget::useMultiProcessToggled(bool on)