Clear -Wsign-compare warning from gcc 7.3

xclock.c: In function ‘quit’:
xclock.c:133:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  event->xclient.data.l[0] != wm_delete_window) {
                           ^~

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

1 files changed, 1 insertions, 1 deletions

diff --git a/xclock.c b/xclock.c
index 2533ded..2945a8a 100644
--- a/xclock.c
+++ b/xclock.c
@@ -130,7 +130,7 @@ quit(Widget w, XEvent *event, String *params, Cardinal *num_params)
     Arg arg;
 
     if (event->type == ClientMessage &&
-	event->xclient.data.l[0] != wm_delete_window) {
+	(Atom)event->xclient.data.l[0] != wm_delete_window) {
 #ifdef XKB
 	XkbStdBell(XtDisplay(w), XtWindow(w), 0, XkbBI_MinorError);
 #else