Debugger: Fix Attach to Unstarted Application.

Use paths with native directory separator when comparing
application names. Also disable the "Continue on Attach"
combo box when a kit with a cdb is selected. The cdbengine
always continues after an attach.

Task-number: QTCREATORBUG-13517
Change-Id: I3dd9cca98f9b4255cafc318836377d802413eace
Reviewed-by: Christian Stenger <christian.stenger@theqtcompany.com>

src/plugins/debugger/unstartedappwatcherdialog.h

@@ -70,6 +70,7 @@ public slots:
     void startStopWatching(bool start);
     void findProcess();
     void stopAndCheckExecutable();
+    void kitChanged();
 
 signals:
     void processFound();