Mark required arguments to Xlib error handler as unused

Quiets clang warnings:

xdpyinfo.c:151:24: warning: unused parameter 'dpy' [-Wunused-parameter]
silent_errors(Display *dpy, XErrorEvent *ev)
                       ^
xdpyinfo.c:151:42: warning: unused parameter 'ev' [-Wunused-parameter]
silent_errors(Display *dpy, XErrorEvent *ev)
                                         ^

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

1 files changed, 1 insertions, 1 deletions

diff --git a/xdpyinfo.c b/xdpyinfo.c
index 2b94394..a0e0045 100644
--- a/xdpyinfo.c
+++ b/xdpyinfo.c
@@ -148,7 +148,7 @@ static char *ProgramName;
 static Bool queryExtensions = False;
 
 static int
-silent_errors(Display *dpy, XErrorEvent *ev)
+silent_errors(_X_UNUSED Display *dpy, _X_UNUSED XErrorEvent *ev)
 {
     return 0;
 }