Merge pull request #1502 from Kijewski/issue-1485

tests/posix_sleep/main.c

tests/pthread/Makefile

tests/pthread/main.c

tests/pthread_barrier/Makefile

tests/pthread_barrier/main.c

tests/pthread_cleanup/Makefile

tests/pthread_cleanup/main.c

tests/pthread_cleanup/tests/01-test

tests/pthread_condition_variable/Makefile

tests/pthread_condition_variable/main.c

tests/pthread_cooperation/Makefile

tests/pthread_cooperation/main.c

tests/pthread_rwlock/Makefile

tests/pthread_rwlock/main.c

tests/queue_fairness/Makefile

tests/queue_fairness/main.c

tests/queue_fairness/tests/01-test

tests/sha256/Makefile

tests/sha256/main.c

tests/sha256/tests/01-test