libmsc/paging.c: avoid double zero-initialization

Change-Id: Icc839370fc39ab57078ec6deeac337ed2f37793c
diff --git a/src/libmsc/paging.c b/src/libmsc/paging.c
index 5baa0dc..94406ad 100644
--- a/src/libmsc/paging.c
+++ b/src/libmsc/paging.c
@@ -84,7 +84,7 @@
 	struct paging_request *pr;
 	struct gsm_network *net = vsub->vlr->user_ctx;
 
-	pr = talloc_zero(vsub, struct paging_request);
+	pr = talloc(vsub, struct paging_request);
 	OSMO_ASSERT(pr);
 	*pr = (struct paging_request){
 		.label = label,