d785368e0e converted the other miinitext functions to use ARRAY_SIZE,
and removed the sentinel, but missed EnableDisableExtensionError so
passing an invalid extension name could cause the server to walk off
the end off the list looking for a sentinel that wasn't there.
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>