debugger: use & in "p (char*)&qDumpOutBuffer". This improves the

situation in release builds a bit as we get at least a list of
(afterwards failing) dumpers.
(cherry picked from commit 01284f21)

src/plugins/debugger/gdbengine.cpp

@@ -3166,7 +3166,7 @@ void GdbEngine::runDebuggingHelper(const WatchData &data0, bool dumpChildren)
             .arg(m_pendingRequests + 1), 10000);
 
     // retrieve response
-    sendSynchronizedCommand("p (char*)qDumpOutBuffer", WatchDebuggingHelperValue2, var);
+    sendSynchronizedCommand("p (char*)&qDumpOutBuffer", WatchDebuggingHelperValue2, var);
 }
 
 void GdbEngine::createGdbVariable(const WatchData &data)
@@ -4180,14 +4180,14 @@ void GdbEngine::tryLoadDebuggingHelpers()
 #endif
     // retreive list of dumpable classes
     sendCommand("call qDumpObjectData440(1,%1+1,0,0,0,0,0,0)");
-    sendCommand("p (char*)qDumpOutBuffer", GdbQueryDebuggingHelper);
+    sendCommand("p (char*)&qDumpOutBuffer", GdbQueryDebuggingHelper);
 }
 
 void GdbEngine::recheckDebuggingHelperAvailability()
 {
     // retreive list of dumpable classes
     sendCommand("call qDumpObjectData440(1,%1+1,0,0,0,0,0,0)");
-    sendCommand("p (char*)qDumpOutBuffer", GdbQueryDebuggingHelper);
+    sendCommand("p (char*)&qDumpOutBuffer", GdbQueryDebuggingHelper);
 }
 
 IDebuggerEngine *createGdbEngine(DebuggerManager *parent)

src/plugins/qt4projectmanager/qtversionmanager.cpp

@@ -605,8 +605,8 @@ void QtDirWidget::showEnvironmentPage(QTreeWidgetItem *item)
             m_ui.msvcComboBox->setVisible(false);
             makeMingwVisible(false);
             if (!m_versions.at(index)->isInstalled())
-                m_ui.errorLabel->setText(tr("The Qt Version is not installed. Run make install")
-                                           .arg(m_versions.at(index)->path()));
+                m_ui.errorLabel->setText(tr("The Qt Version %1 is not installed. Run make install")
+                                           .arg(QDir::toNativeSeparators(m_versions.at(index)->path())));
             else
                 m_ui.errorLabel->setText(tr("%1 is not a valid qt directory").arg(m_versions.at(index)->path()));
         } else { //ProjectExplorer::ToolChain::GCC