[Bf-blender-cvs] [d46f439] depsgraph_refactor: Fix for RNAPathKey usage: strings can not be NULL.

[Lukas Tönne]

Commit: d46f43920796f8a1c7bffc311a07e44f727b20e8
Author: Lukas Tönne
Date:   Wed Apr 16 11:56:46 2014 +0200
https://developer.blender.org/rBd46f43920796f8a1c7bffc311a07e44f727b20e8

Fix for RNAPathKey usage: strings can not be NULL.

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

M	source/blender/depsgraph/intern/depsgraph_build_relations.cpp

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

diff --git a/source/blender/depsgraph/intern/depsgraph_build_relations.cpp b/source/blender/depsgraph/intern/depsgraph_build_relations.cpp
index 486f921..d577830 100644
--- a/source/blender/depsgraph/intern/depsgraph_build_relations.cpp
+++ b/source/blender/depsgraph/intern/depsgraph_build_relations.cpp
@@ -431,7 +431,7 @@ void DepsgraphRelationBuilder::build_driver(IDPtr id, FCurve *fcurve)
 			}
 			else {
 				/* resolve path to get node */
-				RNAPathKey target_key(dtar->id, dtar->rna_path);
+				RNAPathKey target_key(dtar->id, dtar->rna_path ? dtar->rna_path : "");
 				add_relation(target_key, driver_key, DEPSREL_TYPE_DRIVER_TARGET,
 				             "[Target -> Driver] DepsRel");
 			}