[Bf-blender-cvs] [acc6e5c315a] master: LineArt: Fix unreported material user count error when apply modifier

[Antonio Vazquez]

Commit: acc6e5c315a508f7ca7896b08354067c0fb44067
Author: Antonio Vazquez
Date:   Fri Mar 26 15:48:54 2021 +0100
Branches: master
https://developer.blender.org/rBacc6e5c315a508f7ca7896b08354067c0fb44067

LineArt: Fix unreported material user count error when apply modifier

The number of users was 0 after applying the modifier.

===================================================================

M	source/blender/editors/object/object_add.c

===================================================================

diff --git a/source/blender/editors/object/object_add.c b/source/blender/editors/object/object_add.c
index 50dc1af5ca8..4268f0281e8 100644
--- a/source/blender/editors/object/object_add.c
+++ b/source/blender/editors/object/object_add.c
@@ -1416,6 +1416,9 @@ static int object_gpencil_add_exec(bContext *C, wmOperator *op)
       /* Only created one layer and one material. */
       strcpy(md->target_layer, ((bGPDlayer *)gpd->layers.first)->info);
       md->target_material = BKE_gpencil_material(ob, 1);
+      if (md->target_material) {
+        id_us_plus(&md->target_material->id);
+      }
 
       /* Stroke object is drawn in front of meshes by default. */
       ob->dtx |= OB_DRAW_IN_FRONT;