Don't crash on empty notify channel

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/10@342715 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/res/res_calendar.c b/res/res_calendar.c
index b7755378171f176a5b38017c23ffd97c09b2e901..604d0b5c49f45ec6e8b85ae863f28f6289c1ee6a 100644 (file)
--- a/res/res_calendar.c
+++ b/res/res_calendar.c
@@ -694,7 +694,7 @@ static void *do_notify(void *data)
 {
        struct ast_calendar_event *event = data;
        struct ast_dial *dial = NULL;
-       struct ast_str *apptext = NULL, *tmpstr;
+       struct ast_str *apptext = NULL, *tmpstr = NULL;
        struct ast_datastore *datastore;
        enum ast_dial_result res;
        struct ast_channel *chan = NULL;