sig is only used if threads are in use. [RT #18196]

lib/isc/unix/app.c

@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: app.c,v 1.43.2.3.8.9 2008/06/25 00:03:29 jinmei Exp $ */
+/* $Id: app.c,v 1.43.2.3.8.10 2008/10/15 03:18:33 marka Exp $ */
 
 #include <config.h>
 
@@ -433,10 +433,10 @@ isc_app_run(void) {
 #ifdef ISC_PLATFORM_USETHREADS
 	sigset_t sset;
 	char strbuf[ISC_STRERRORSIZE];
-#endif /* ISC_PLATFORM_USETHREADS */
 #ifdef HAVE_SIGWAIT
 	int sig;
 #endif
+#endif /* ISC_PLATFORM_USETHREADS */
 
 #ifdef HAVE_LINUXTHREADS
 	REQUIRE(main_thread == pthread_self());