Fix missing space.

install/hst-install-debian.sh

@@ -883,7 +883,7 @@ if [ "$nginx" = 'yes' ]; then
     cp -f $hestiacp/logrotate/nginx /etc/logrotate.d/
     echo > /etc/nginx/conf.d/hestia.conf
     mkdir -p /var/log/nginx/domains
-    if [ "$apache" = 'no' ] && [ "$multiphp" = 'yes']; then
+    if [ "$apache" = 'no' ] && [ "$multiphp" = 'yes' ]; then
         update-rc.d php5.6-fpm defaults
         update-rc.d php7.0-fpm defaults
         update-rc.d php7.1-fpm defaults