Fixed server->taskwait error on FreeBSD.
Fixed server->taskwait error on FreeBSD.

AJSoft/swoole-src,LinkedDestiny/swoole-src,LinkedDestiny/swoole-src,swoole/swoole-src,tutanhamon/swoole-src,AJSoft/swoole-src,LinkedDestiny/swoole-src,tutanhamon/swoole-src,swoole/swoole-src,LinkedDestiny/swoole-src,LinkedDestiny/swoole-src,AJSoft/swoole-src,swoole/swoole-src,tutanhamon/swoole-src,AJSoft/swoole-src,tutanhamon/swoole-src,tutanhamon/swoole-src,AJSoft/swoole-src,swoole/swoole-src,swoole/swoole-src,AJSoft/swoole-src,swoole/swoole-src,LinkedDestiny/swoole-src,swoole/swoole-src,tutanhamon/swoole-src,LinkedDestiny/swoole-src,tutanhamon/swoole-src,AJSoft/swoole-src