bone & object properties editing was broken.

source/blender/editors/interface/interface_utils.c

@@ -46,8 +46,15 @@ uiBut *uiDefAutoButR(uiBlock *block, PointerRNA *ptr, PropertyRNA *prop, int ind
 {
 	uiBut *but=NULL;
 	const char *propname= RNA_property_identifier(prop);
+	char prop_item[sizeof(((IDProperty *)NULL)->name)+4]; /**/
 	int arraylen= RNA_property_array_length(ptr, prop);
 
+	/* support for custom props */
+	if(RNA_property_is_idprop(prop)) {
+		sprintf(prop_item, "[\"%s\"]", propname);
+		propname= prop_item;
+	}
+
 	switch(RNA_property_type(prop)) {
 		case PROP_BOOLEAN: {
 			int value, length;

source/blender/makesrna/RNA_access.h

@@ -816,6 +816,7 @@ void RNA_collection_clear(PointerRNA *ptr, const char *name);
 
 /* check if the idproperty exists, for operators */
 int RNA_property_is_set(PointerRNA *ptr, const char *name);
+int RNA_property_is_idprop(PropertyRNA *prop);
 
 /* python compatible string representation of this property, (must be freed!) */
 char *RNA_property_as_string(struct bContext *C, PointerRNA *ptr, PropertyRNA *prop);

source/blender/makesrna/intern/rna_access.c

@@ -2911,6 +2911,11 @@ int RNA_property_is_set(PointerRNA *ptr, const char *name)
 	}
 }
 
+int RNA_property_is_idprop(PropertyRNA *prop)
+{
+	return (prop->magic!=RNA_MAGIC);
+}
+
 /* string representation of a property, python
  * compatible but can be used for display too*/
 char *RNA_pointer_as_string(PointerRNA *ptr)