Eliminate a compiler warning with ODBC_STORAGE enabled so that it will build

under dev-mode.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@61645 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_voicemail.c

@@ -1347,7 +1347,7 @@ static int store_file(char *dir, char *mailboxuser, char *mailboxcontext, int ms
 	void *fdm = MAP_FAILED;
 	size_t fdlen = -1;
 	SQLHSTMT stmt;
-	SQLINTEGER len;
+	SQLLEN len;
 	char sql[PATH_MAX];
 	char msgnums[20];
 	char fn[PATH_MAX];