telnet: Don't use pause() on Win32.

My man says: "Pause is made obsolete by sigsuspend(2)." however sigsuspend just dies on win32.

modules/control/telnet.c

@@ -280,7 +280,11 @@ static void Run( intf_thread_t *p_intf )
                 if (net_errno != EINTR)
                 {
                     msg_Err (p_intf, "network poll error");
-                    pause (); /* We are screwed! */
+#ifndef WIN32
+                    pause ();  /* We are screwed! */
+#else
+                    abort (); /* We are even more screwed! (no pause() in win32) */
+#endif
                     break;
                 }
             case 0: