Build fixes

include/osgGA/EventQueue

@@ -57,6 +57,9 @@ class OSGGA_EXPORT EventQueue : public osg::Referenced
         /** method for adapting mouse scroll wheel events, placing this event on the back of the event queue. */
         void mouseScroll(GUIEventAdapter::ScrollingMotion sm);
 
+        /** method for updating in response to a mouse warp. Note, just moves the mouse position without creating a new event for it.*/
+        void mouseWarp(float x, float y);
+
         /** method for adapting mouse motion events whilst mouse buttons are pressed, placing this event on the back of the event queue.*/
         void mouseMotion(float x, float y);