Cleanup: use '#' prefix for issues instead of 'T'

Match the convention from Gitea instead of Phabricator's T for tasks.

source/blender/python/intern/bpy_app_openvdb.c

@@ -88,7 +88,7 @@ PyObject *BPY_app_openvdb_struct(void)
   BlenderAppOVDBType.tp_init = NULL;
   BlenderAppOVDBType.tp_new = NULL;
   BlenderAppOVDBType.tp_hash = (hashfunc)
-      _Py_HashPointer; /* without this we can't do set(sys.modules) T29635. */
+      _Py_HashPointer; /* without this we can't do set(sys.modules) #29635. */
 
   return ret;
 }