QmlProfiler: fix crash with context menu when nothing is selected

Change-Id: I8e5e47e1fcc620c823e7d3e1c5a643fb09d4b392
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/plugins/qmlprofiler/qmlprofilertool.cpp

@@ -189,14 +189,16 @@ void QmlProfilerTool::showContextMenu(const QPoint &position)
     }
 
     QAction *selectedAction = menu.exec(position);
-    if (selectedAction == loadAction)
-        showLoadDialog();
-    if (selectedAction == saveAction)
-        showSaveDialog();
-    if (selectedAction == copyRowAction)
-        senderView->copyRowToClipboard();
-    if (selectedAction == copyTableAction)
-        senderView->copyTableToClipboard();
+    if (selectedAction) {
+        if (selectedAction == loadAction)
+            showLoadDialog();
+        if (selectedAction == saveAction)
+            showSaveDialog();
+        if (selectedAction == copyRowAction)
+            senderView->copyRowToClipboard();
+        if (selectedAction == copyTableAction)
+            senderView->copyTableToClipboard();
+    }
 }
 
 IAnalyzerEngine *QmlProfilerTool::createEngine(const AnalyzerStartParameters &sp,