fixed php-fpm detection logic

wordpressinstall

@@ -13,7 +13,7 @@ if [[ $(id -u) -ne 0 ]]; then echo "" && echo "Must be root or use sudo" && echo
 #
 # Get php-fpm version
 #
-phpfpm=$(systemctl list-unit-files --type=service | awk '/php[0-9]+\.[0-9]+-fpm/ {sub(".service",""); print; exit}')
+phpfpm=$(systemctl list-unit-files --type=service | awk '/php[0-9]+\.[0-9]+-fpm\.service/ {sub(".service","",$1); print $1; exit}')
 if [[ -z "$phpfpm" ]]; then printf "\nUnable to detect php-fpm version. Is PHP-FPM installed?\n\n" ; exit 1 ; fi
 
 #