Set X-Real-IP header for both location points

rebuilderd requires an X-Real-IP to be set if configured.

roles/rebuilderd/templates/nginx.d.conf.j2

@@ -52,6 +52,7 @@ server {
 
     location /api/v0/build/report {
 	    client_max_body_size 20M;
+            proxy_set_header    X-Real-IP          $remote_addr;
 	    proxy_pass http://127.0.0.1:8484;
     }
 }