Mark arguments to catch_window_errors as unused

Arguments are required by the callback form, but not needed in this case.

Clears clang compliants:
xkill.c:328:30: warning: unused parameter 'dpy' [-Wunused-parameter]
catch_window_errors(Display *dpy, XErrorEvent *ev)
                             ^
xkill.c:328:48: warning: unused parameter 'ev' [-Wunused-parameter]
catch_window_errors(Display *dpy, XErrorEvent *ev)

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

1 files changed, 1 insertions, 1 deletions

diff --git a/xkill.c b/xkill.c
index a4f5c48..9bbde1c 100644
--- a/xkill.c
+++ b/xkill.c
@@ -325,7 +325,7 @@ get_window_id(Display *dpy, int screen, int button, const char *msg)
 
 
 static int 
-catch_window_errors(Display *dpy, XErrorEvent *ev)
+catch_window_errors(_X_UNUSED Display *dpy, _X_UNUSED XErrorEvent *ev)
 {
     return 0;
 }