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>

2 files changed, 2 insertions, 2 deletions

diff --git a/configure.ac b/configure.ac
index be103e6..68cefa1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,7 +19,7 @@ XORG_DEFAULT_OPTIONS
 
 # Checks for pkg-config packages
 # - Both CFLAGS & LIBS needed:
-PKG_CHECK_MODULES(XHOST, x11 xmuu)
+PKG_CHECK_MODULES(XHOST, [xproto >= 7.0.22 x11 xmuu])
 # - Only CFLAGS needed, not libs:
 PKG_CHECK_MODULES(XAU, xau)
 
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;
 }