The "Pose unlock" flag accidentally could get saved in file, causing

grabbing bones not to work. Only happened sofar in 1 file... but still
annoying!

source/blender/src/transform_conversions.c

@@ -783,8 +783,11 @@ static void createTransPose(TransInfo *t, Object *ob)
 	if(t->total==0) return;
 
 	t->flag |= T_POSE;
-	t->poseobj= ob;	// we also allow non-active objects to be transformed, in weightpaint
+	t->poseobj= ob;	/* we also allow non-active objects to be transformed, in weightpaint */
+	
+	/* make sure the lock is set OK, unlock can be accidentally saved? */
 	ob->pose->flag |= POSE_LOCKED;
+	ob->pose->flag &= ~POSE_DO_UNLOCK;
 
 	/* init trans data */
     td = t->data = MEM_callocN(t->total*sizeof(TransData), "TransPoseBone");