Chaning github repository to our gerrit repository

Change-Id: I51ff03d516eecf00a659bade8e15802debfffc5e
diff --git a/openstack/identity/v2/extensions/admin/roles/requests.go b/openstack/identity/v2/extensions/admin/roles/requests.go
index 50228c9..d8e5c3f 100644
--- a/openstack/identity/v2/extensions/admin/roles/requests.go
+++ b/openstack/identity/v2/extensions/admin/roles/requests.go
@@ -2,7 +2,7 @@
 
 import (
 	"github.com/gophercloud/gophercloud"
-	"github.com/gophercloud/gophercloud/pagination"
+	"gerrit.mcp.mirantis.net/debian/gophercloud.git/pagination"
 )
 
 // List is the operation responsible for listing all available global roles