add missing config for space membership endpoint

changelog/unreleased/space-membership.md

@@ -0,0 +1,5 @@
+Bugfix: Fix configuration for space membership endpoint
+
+Added a missing config value to the ocs config related to the space membership endpoint. 
+
+https://github.com/owncloud/ocis/pull/2893

storage/pkg/command/frontend.go

@@ -194,6 +194,7 @@ func frontendConfigFromStruct(c *cli.Context, cfg *config.Config, filesCfg map[s
 					"public_url":       cfg.Reva.Frontend.PublicURL,
 				},
 				"ocs": map[string]interface{}{
+					"storage_registry_svc":      cfg.Reva.Gateway.Endpoint,
 					"share_prefix":              cfg.Reva.Frontend.OCSSharePrefix,
 					"home_namespace":            cfg.Reva.Frontend.OCSHomeNamespace,
 					"resource_info_cache_ttl":   cfg.Reva.Frontend.OCSResourceInfoCacheTTL,