Bugfix #4483

Fix for bugfix! The code added to solve Driver lag should not be called
when Bones in Armature are drivers (only when Objects are drivers).

source/blender/blenkernel/intern/ipo.c

@@ -752,13 +752,13 @@ static float eval_driver(IpoDriver *driver, float ipotime)
 
 		if(ob==NULL) return 0.0f;
 		
+		if(driver->blocktype==ID_OB) {
 			/* depsgraph failure; ob ipos are calculated in where_is_object, this might get called too late */
 			if(ob->ipo && ob->ctime!=ipotime) {
 				calc_ipo_spec(ob->ipo, driver->adrcode, &ipotime);
 				return ipotime;
 			}
 			
-		if(driver->blocktype==ID_OB) {
 			switch(driver->adrcode) {
 			case OB_LOC_X:
 				return ob->loc[0];