automatically enable auto-detect LED when selecting a MIDI device

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1678 0778d3d1-df1d-0410-868b-ea421aaaa00d

include/controller_connection_dialog.h

@@ -67,6 +67,8 @@ public slots:
 	void midiToggled( void );
 	void userToggled( void );
 	void autoDetectToggled( void );
+	void enableAutoDetect( QAction * _a );
+
 
 protected slots:
 	void midiValueChanged( void );