Fix spacing

nginx.tmpl

@@ -109,7 +109,7 @@ gzip_types text/plain text/css application/javascript application/json applicati
 log_format vhost '$host $remote_addr - $remote_user [$time_local] '
                  '"$request" $status $body_bytes_sent '
                  '"$http_referer" "$http_user_agent" '
-		 '"$upstream_addr"';
+                 '"$upstream_addr"';
 
 access_log off;