Initialize additional variables, to prevent a possible crash.

(closes issue #15186)
 Reported by: ajohnson
 Patches: 
       20090528__issue15186.diff.txt uploaded by tilghman (license 14)
 Tested by: ajohnson


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@201531 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_voicemail.c

@@ -3349,7 +3349,8 @@ static int store_file(char *dir, char *mailboxuser, char *mailboxcontext, int ms
 	char *c;
 	struct ast_config *cfg=NULL;
 	struct odbc_obj *obj;
-	struct insert_data idata = { .sql = sql, .msgnums = msgnums, .dir = dir, .mailboxuser = mailboxuser, .mailboxcontext = mailboxcontext };
+	struct insert_data idata = { .sql = sql, .msgnums = msgnums, .dir = dir, .mailboxuser = mailboxuser, .mailboxcontext = mailboxcontext,
+		.context = "", .macrocontext = "", .callerid = "", .origtime = "", .duration = "", .category = "", .flag = "" };
 	struct ast_flags config_flags = { CONFIG_FLAG_NOCACHE };
 
 	delete_file(dir, msgnum);