Mark argument to nameserver_lost signal handler as unused

Quiets clang warning:
xhost.c:812:21: warning: unused parameter 'sig' [-Wunused-parameter]
nameserver_lost(int sig)
                    ^
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/xhost.c b/xhost.c
index fd13dae..576513a 100644
--- a/xhost.c
+++ b/xhost.c
@@ -809,7 +809,7 @@ get_hostname(XHostAddress *ha)
 
 /*ARGUSED*/
 static void
-nameserver_lost(int sig)
+nameserver_lost(_X_UNUSED int sig)
 {
     nameserver_timedout = 1;
 }