This will fix the warning "/src/or/config.c:6854:48: error: unused parameter 'group_readable'" that I introduced while fixing 12864. Bug not in any released version of Tor.
@@ -6871,6 +6871,8 @@ init_cookie_authentication(const char *fname, const char *header,
log_warn(LD_FS,"Unable to make %s group-readable.", escaped(fname));
}
+#else
+ (void) group_readable;
#endif
/* Success! */