rt-numa: Correct the comment of numa_initialize()

numa_initialize() returns 0 only when numa_available() returns -1,
which means that libnuma is unavailable.

The return values in the comment should be corrected to 1 if all
functions are available and 0 when the functions are unavailable.

Signed-off-by: Oscar Shiang <oscar0225@livemail.tw>
Signed-off-by: John Kacur <jkacur@redhat.com>
1 file changed