Followup for r58992, fixing user decrement error

Some places like proxy rebuild didn't increent
custom shape user counter which lead to user
decrement errors later when freeing pose channels.

Try to keep custom object counter relevent, but
some corner cases might still be missing.

1 files changed, 6 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/armature.c b/source/blender/blenkernel/intern/armature.c
index d37ccae3089..eca607c08df 100644
--- a/source/blender/blenkernel/intern/armature.c
+++ b/source/blender/blenkernel/intern/armature.c
@@ -1652,10 +1652,16 @@ static void pose_proxy_synchronize(Object *ob, Object *from, int layer_protected
 			
 			/* copy data in temp back over to the cleaned-out (but still allocated) original channel */
 			*pchan = pchanw;
+			if (pchan->custom) {
+				id_us_plus(&pchan->custom->id);
+			}
 		}
 		else {
 			/* always copy custom shape */
 			pchan->custom = pchanp->custom;
+			if (pchan->custom) {
+				id_us_plus(&pchan->custom->id);
+			}
 			if (pchanp->custom_tx)
 				pchan->custom_tx = BKE_pose_channel_find_name(pose, pchanp->custom_tx->name);