Eliminate spurious select warning

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2331 65c4cc65-6c06-0410-ace0-fbb531ad65f3

asterisk.c

@@ -257,6 +257,7 @@ static void *listener(void *unused)
 		FD_SET(ast_socket, &fds);
 		s = ast_select(ast_socket + 1, &fds, NULL, NULL, NULL);
 		if (s < 0) {
+			if (errno != EINTR)
 				ast_log(LOG_WARNING, "Select returned error: %s\n", strerror(errno));
 			continue;
 		}