fix compile warning

Change-Id: I6d93986eca7b50a8ae5ddf075c37123f8ebcdcde

daemon/call_interfaces.h

@@ -82,6 +82,7 @@ const char *call_delete_ng(bencode_item_t *, struct callmaster *, bencode_item_t
 const char *call_query_ng(bencode_item_t *, struct callmaster *, bencode_item_t *);
 const char *call_list_ng(bencode_item_t *, struct callmaster *, bencode_item_t *);
 const char *call_start_recording_ng(bencode_item_t *, struct callmaster *, bencode_item_t *);
+const char *call_stop_recording_ng(bencode_item_t *, struct callmaster *, bencode_item_t *);
 void ng_call_stats(struct call *call, const str *fromtag, const str *totag, bencode_item_t *output,
 		struct call_stats *totals);