Fix: fd leak
Fix: fd leak

Reference: Coverity CID #1397913
AJSoft/swoole-src,swoole/swoole-src,tutanhamon/swoole-src,AJSoft/swoole-src,LinkedDestiny/swoole-src,swoole/swoole-src,swoole/swoole-src,tutanhamon/swoole-src,tutanhamon/swoole-src,LinkedDestiny/swoole-src,LinkedDestiny/swoole-src,AJSoft/swoole-src,swoole/swoole-src,tutanhamon/swoole-src,swoole/swoole-src,tutanhamon/swoole-src,LinkedDestiny/swoole-src,LinkedDestiny/swoole-src,swoole/swoole-src,swoole/swoole-src,AJSoft/swoole-src,tutanhamon/swoole-src,LinkedDestiny/swoole-src,tutanhamon/swoole-src,AJSoft/swoole-src,LinkedDestiny/swoole-src,AJSoft/swoole-src,AJSoft/swoole-src