Rename shutdown() to test_shutdown() in timer_test.c [v9.18]
The shutdown() is part of standard library (POSIX-1), don't use such name in the timer_test.c, but rather rename it to test_shutdown().
Backport of !6078 (merged)
Edited by Michał Kępień
The shutdown() is part of standard library (POSIX-1), don't use such name in the timer_test.c, but rather rename it to test_shutdown().
Backport of !6078 (merged)