server/nextcloud: Applied security patch

CVE-2019-11043
see https://nextcloud.com/blog/urgent-security-issue-in-nginx-php-fpm/

roles/server/nextcloud/meta/main.yml

@@ -37,7 +37,7 @@ dependencies:
       client_max_body_size 10240M;
       #fastcgi_buffers 64 4K;
       location / {
-        rewrite ^ /index.php$request_uri;
+        rewrite ^ /index.php;
       }
       location ~ ^/(build|tests|config|lib|3rdparty|templates|data)/ {
         deny all;
@@ -64,6 +64,7 @@ dependencies:
       #}
       location ~ ^/(?:index|remote|public|cron|core/ajax/update|status|ocs/v[12]|updater/.+|ocs-provider/.+)\.php(?:$|/) {
         fastcgi_split_path_info ^(.+?\.php)(/.*)$;
+        try_files $fastcgi_script_name =404;
         fastcgi_index index.php;
         include fastcgi_params;
         fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;