fpm sockets set listen back queue size to negative which trim down

 to the 128 hard limit on macOs.

Author: devnexen

sapi/fpm/fpm/fpm_sockets.h

@@ -14,7 +14,7 @@
 /*
   On FreeBSD and OpenBSD, backlog negative values are truncated to SOMAXCONN
 */
-#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__linux__)
+#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__linux__) || defined(__APPLE__)
 #define FPM_BACKLOG_DEFAULT -1
 #else
 #define FPM_BACKLOG_DEFAULT 511