open_posix_testsuite/.../pthread_cond_broadcast: Fix.

Flush the stdout before we fork, otherwise each
children will flush the buffer resulting in
quater of megabyte of logs.

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
open_posix_testsuite/.../pthread_create/3-2.c

Flush the stdout before fork().

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
open_posix_testsuite/.../pthread_exit/6-1.c

Flush the stdout before fork().

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
runtest/ltp-aiodio.part3: fsx-linux turn off debug

Turn off debug mode for FSX tests otherwise these
will generate several megabytes of useless logs.

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
open_posix_testsuite/.../pthread_cond_timedwait/4-2.c

Flush the stdout before fork().

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>