Recording greetings when using IMAP storage was causing zero-length files to be stored.

Since greetings are not retrieved from IMAP anyway, it is pointless to attempt storing them there.

(closes issue #11359, reported by spditner, patched by me)



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@89999 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_voicemail.c

@@ -2310,6 +2310,10 @@ static int imap_store_file(char *dir, char *mailboxuser, char *mailboxcontext, i
 	void *buf;
 	int tempcopy = 0;
 	STRING str;
+
+	/*Greetings are not retrieved from IMAP, so there is no reason to attempt storing them there either*/
+	if(msgnum < 0)
+		return 0;
 	
 	/* Attach only the first format */
 	fmt = ast_strdupa(fmt);