Clang (15?) fails to compile master
../nautilus/test/automated/displayless/test-utilities.c:6:18: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
test_get_tmp_dir ()
^
void
../nautilus/test/automated/displayless/test-utilities.c:17:20: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
test_clear_tmp_dir ()
^