Add cast to clear -Wsign-compare warning

ico.c: In function ‘do_ico_window’:
ico.c:1084:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if (xev.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/ico.c b/ico.c
index aa9819e..09ecf1e 100644
--- a/ico.c
+++ b/ico.c
@@ -1081,7 +1081,7 @@ do_ico_window(void *ptr)
 #ifdef DEBUG
 			printf("thread %x message\n", xthread_self());
 #endif
-			if (xev.xclient.data.l[0] == wm_delete_window)
+			if ((Atom) xev.xclient.data.l[0] == wm_delete_window)
 			    do_it = False;
 			else
 			    XBell (dpy, 0);