Mark usage with _X_NORETURN to quiet -Wmissing-noreturn warning

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

1 files changed, 1 insertions, 1 deletions

diff --git a/xsetroot.c b/xsetroot.c
index 31233d9..5f21f91 100644
--- a/xsetroot.c
+++ b/xsetroot.c
@@ -55,7 +55,7 @@ static int save_colors = 0;
 static int unsave_past = 0;
 static Pixmap save_pixmap = (Pixmap)None;
 
-static void usage(void);
+static void usage(void) _X_NORETURN;
 static void FixupState(void);
 static void SetBackgroundToBitmap(Pixmap bitmap, 
 				  unsigned int width, unsigned int height);