Fix typo

abra.sh

@@ -1,2 +1,2 @@
-export NGINX_CONF_VERSION=v1
+export NGINX_CONF_VERSION=v2
 export LOOLWSD_XML_VERSION=v1

nginx.conf.tmpl

@@ -52,7 +52,7 @@ http {
 
         # download, presentation and image upload
         location ~ /lool {
-            proxy_pass https://collabora-upstream;
+            proxy_pass http://collabora-upstream;
             proxy_set_header Host $http_host;
         }
     }