[Bf-blender-cvs] [94507a7fa7e] master: Fix T62589: Particle system Instance Collection option fails to set a user for a linked collection.

[Bastien Montagne]

Commit: 94507a7fa7ee61fefa2001337062c1aa4fb6379a
Author: Bastien Montagne
Date:   Sun Mar 17 16:00:52 2019 +0100
Branches: master
https://developer.blender.org/rB94507a7fa7ee61fefa2001337062c1aa4fb6379a

Fix T62589: Particle system Instance Collection option fails to set a user for a linked collection.

Forgot to tag properly RNA property in rB439437fa3a44.

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M	source/blender/makesrna/intern/rna_particle.c

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diff --git a/source/blender/makesrna/intern/rna_particle.c b/source/blender/makesrna/intern/rna_particle.c
index 57533862c99..9d4ef83e8a0 100644
--- a/source/blender/makesrna/intern/rna_particle.c
+++ b/source/blender/makesrna/intern/rna_particle.c
@@ -3005,7 +3005,7 @@ static void rna_def_particle_settings(BlenderRNA *brna)
 	prop = RNA_def_property(srna, "instance_collection", PROP_POINTER, PROP_NONE);
 	RNA_def_property_pointer_sdna(prop, NULL, "instance_collection");
 	RNA_def_property_struct_type(prop, "Collection");
-	RNA_def_property_flag(prop, PROP_EDITABLE);
+	RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_REFCOUNT);
 	RNA_def_property_ui_text(prop, "Dupli Collection", "Show Objects in this collection in place of particles");
 	RNA_def_property_update(prop, 0, "rna_Particle_redo_count");