moved trayicon to own void function

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@1846 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/MainWindow.h

@@ -141,6 +141,8 @@ private:
 
     /** Create the actions on the tray menu or menubar */
     void createActions();
+    
+    void createTrayIcon();
 
     /** Defines the actions for the tray menu */
     QAction* _settingsAct;