Merge pull request php-curl-class#315 from zachborboa/hhvm

Fix hhvm ci build failure by replacing nginx restart with nginx stop, nginx start

Author: zachborboa

tests/before_script.sh

@@ -1,3 +1,4 @@
+set -x
 echo "TRAVIS_PHP_VERSION: ${TRAVIS_PHP_VERSION}"
 
 composer self-update
@@ -54,7 +55,10 @@ server {
 EOF
     sudo /usr/share/hhvm/install_fastcgi.sh
     sudo /etc/init.d/hhvm restart
-    sudo service nginx restart
+    sleep 5
+    sudo service nginx stop
+    sleep 5
+    sudo service nginx start
 elif [[ "${TRAVIS_PHP_VERSION}" == "nightly" ]]; then
     php -S 127.0.0.1:8000 -t tests/PHPCurlClass/ &
 fi