Add noreturn attribute to usage() as suggested by -Wmissing-noreturn

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/xload.c b/xload.c
index 41a8802..32adcdd 100644
--- a/xload.c
+++ b/xload.c
@@ -139,7 +139,8 @@ static int light_update = 10 * 1000;
  * Exit with message describing command line format.
  */
 
-static void usage(void)
+static void _X_NORETURN
+usage(void)
 {
     fprintf (stderr, gettext("usage:  %s [-options ...]\n\n%s\n"),
              ProgramName, gettext(