posix-timers.c: Don't export local functions

Signed-off-by: NH Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

kernel/posix-timers.c

@@ -256,7 +256,7 @@ static int posix_get_monotonic_coarse(clockid_t which_clock,
 	return 0;
 }
 
-int posix_get_coarse_res(const clockid_t which_clock, struct timespec *tp)
+static int posix_get_coarse_res(const clockid_t which_clock, struct timespec *tp)
 {
 	*tp = ktime_to_timespec(KTIME_LOW_RES);
 	return 0;