frame_relay: link_alloc: move log message to the end

The link->name is still not set resulting in logging a (null)

Change-Id: I67cd4bce8238340e6ecb8d04a9a39c8b8d7d63e7
diff --git a/src/gb/frame_relay.c b/src/gb/frame_relay.c
index 0304882..3a51700 100644
--- a/src/gb/frame_relay.c
+++ b/src/gb/frame_relay.c
@@ -880,9 +880,6 @@
 	struct osmo_fr_link *link = talloc_zero(net, struct osmo_fr_link);
 	if (!link)
 		return NULL;
-
-	LOGPFRL(link, LOGL_INFO, "Creating frame relay link with role %s\n", osmo_fr_role_str(role));
-
 	link->role = role;
 	link->net = net;
 	link->name = talloc_strdup(link, name);
@@ -901,6 +898,8 @@
 		break;
 	}
 
+	LOGPFRL(link, LOGL_INFO, "Creating frame relay link with role %s\n", osmo_fr_role_str(role));
+
 	return link;
 }