fix for python refcounting leak, RNA_path_resolve_full now unsets the index if its not last.

source/blender/makesrna/intern/rna_access.c

@@ -3027,6 +3027,7 @@ int RNA_path_resolve_full(PointerRNA *ptr, const char *path, PointerRNA *r_ptr,
 			if(nextptr.data) {
 				curptr= nextptr;
 				prop= NULL; /* now we have a PointerRNA, the prop is our parent so forget it */
+				*index= -1;
 			}
 			else
 				return 0;
@@ -3069,6 +3070,7 @@ int RNA_path_resolve_full(PointerRNA *ptr, const char *path, PointerRNA *r_ptr,
 				if(nextptr.data) {
 					curptr= nextptr;
 					prop= NULL;  /* now we have a PointerRNA, the prop is our parent so forget it */
+					*index= -1;
 				}
 				else
 					return 0;

source/blender/python/intern/bpy_rna.c

@@ -1140,6 +1140,8 @@ static int pyrna_py_to_prop(PointerRNA *ptr, PropertyRNA *prop, ParameterList *p
 					Py_XDECREF(value_new); return -1;
 				}
 			}
+			
+			Py_XDECREF(value_new);
 
 			break;
 		}