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_opensubdiv.c

@@ -82,7 +82,7 @@ PyObject *BPY_app_opensubdiv_struct(void)
   /* prevent user from creating new instances */
   BlenderAppOpenSubdivType.tp_init = NULL;
   BlenderAppOpenSubdivType.tp_new = NULL;
-  /* without this we can't do set(sys.modules) T29635. */
+  /* without this we can't do set(sys.modules) #29635. */
   BlenderAppOpenSubdivType.tp_hash = (hashfunc)_Py_HashPointer;
 
   return ret;