Merge pull request laradock#2210 from codex-corp/patch-1

Add PCNTL option to php-fpm

Author: bestlong

docker-compose.yml

@@ -187,6 +187,7 @@ services:
           - INSTALL_MYSQL_CLIENT=${PHP_FPM_INSTALL_MYSQL_CLIENT}
           - INSTALL_PING=${PHP_FPM_INSTALL_PING}
           - INSTALL_SSHPASS=${PHP_FPM_INSTALL_SSHPASS}
+          - INSTALL_PCNTL=${PHP_FPM_INSTALL_PCNTL}
           - ADDITIONAL_LOCALES=${PHP_FPM_ADDITIONAL_LOCALES}
           - INSTALL_FFMPEG=${PHP_FPM_FFMPEG}
           - INSTALL_XHPROF=${PHP_FPM_INSTALL_XHPROF}