* Clicking on constraint-buttons should now result in updates in the 3d-view without needing to move the mouse into the 3d-view first

* Added missing include

source/blender/src/buttons_object.c

@@ -1838,6 +1838,8 @@ void do_constraintbuts(unsigned short event)
 	
 	switch(event) {
 	case B_CONSTRAINT_TEST:
+		allqueue(REDRAWVIEW3D, 0);
+		allqueue(REDRAWBUTSOBJECT, 0);
 		break;  // no handling
 	case B_CONSTRAINT_INF:
 		/* influence; do not execute actions for 1 dag_flush */