[paging] Cleanup page -> paging in function names

diff --git a/src/gsm_04_08.c b/src/gsm_04_08.c
index 00d6ea3..602fbe2 100644
--- a/src/gsm_04_08.c
+++ b/src/gsm_04_08.c
@@ -673,7 +673,7 @@
 	}
 	DEBUGP(DRR, "<- Channel was requested by %s\n",
 		subscr->name ? subscr->name : subscr->imsi);
-	page_request_stop(msg->trx->bts, subscr);
+	paging_request_stop(msg->trx->bts, subscr);
 
 	if (!msg->lchan->subscr)
 		msg->lchan->subscr = subscr;