progress bar change status to cancel in the analyzer

if cancel button is pressed in the progress bar

Task-number: QTCREATORBUG-4644

Change-Id: I651af0a88a96d40e794bd2c63150276eef12131f
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/valgrind/valgrindengine.cpp

@@ -136,6 +136,8 @@ QString ValgrindEngine::executable() const
 void ValgrindEngine::handleProgressCanceled()
 {
     AnalyzerManager::stopTool();
+    m_progress->reportCanceled();
+    m_progress->reportFinished();
 }
 
 void ValgrindEngine::handleProgressFinished()