follow C89 format

Author: redfoxli

sapi/fpm/fpm/fpm_main.c

@@ -670,9 +670,10 @@ void sapi_cgi_log_fastcgi(int level, char *message, size_t len)
 	 */
 	if (CGIG(fcgi_logging) && request && message && len > 0) {
 		char *buf = malloc(len + 2);
+		ssize_t ret = 0;
 		memcpy(buf, message, len);
 		memcpy(buf + len, "\n", sizeof("\n"));
-		ssize_t ret = fcgi_write(request, FCGI_STDERR, buf, len+1);
+		ret = fcgi_write(request, FCGI_STDERR, buf, len+1);
 		free(buf);
 	        if (ret <= 0) {
                     php_handle_aborted_connection();