Conditionalize use of SIGRTMIN in nptl/tst-locale1.c.

ChangeLog

@@ -1,5 +1,7 @@
 2015-02-06  Roland McGrath  <roland@hack.frob.com>
 
+	* nptl/tst-locale1.c (useless): Use SIGRTMIN only if it's defined.
+
 	* rt/tst-timer2.c (do_test): Don't initialize SIGEV.sigev_signo, which
 	will not be used.  Use NULL rather than 0 for .sigev_notify_attributes.
 

nptl/tst-locale1.c

@@ -12,7 +12,11 @@ useless (void)
 {
   pthread_t th;
   pthread_create (&th, 0, (void *(*) (void *)) useless, 0);
+  int result = 0;
+#ifdef SIGRTMIN
   /* This is to check __libc_current_sigrt* can be used in statically
      linked apps.  */
-  return SIGRTMIN;
+  result = SIGRTMIN;
+#endif
+  return result;
 }