CDB: Warn on release build.

Task-number: QTCREATORBUG-8820

Change-Id: If48429fc80d3b928cba4622ff6b168dca8289500
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/debugger/debuggerengine.h

@@ -385,6 +385,8 @@ protected:
     bool isStateDebugging() const;
     void setStateDebugging(bool on);
 
+    static void checkForReleaseBuild(const DebuggerStartParameters& sp);
+
     virtual void setupSlaveInferior();
     virtual void setupSlaveEngine();
     virtual void runSlaveEngine();