Maemo: Optionally remove packaging data on target removal.

Task-number: QTCREATORBUG-2996

src/plugins/qt4projectmanager/qt-maemo/maemoglobal.cpp

@@ -149,6 +149,7 @@ MaemoGlobal::MaemoVersion MaemoGlobal::version(const QtVersion *qtVersion)
 
 bool MaemoGlobal::removeRecursively(const QString &filePath, QString &error)
 {
+    error.clear();
     QFileInfo fileInfo(filePath);
     if (!fileInfo.exists())
         return true;