Add flag here, too (as requested by jsmith)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@207255 65c4cc65-6c06-0410-ace0-fbb531ad65f3

doc/voicemail_odbc_postgresql.txt

@@ -235,6 +235,7 @@ CREATE TABLE voicemessages
   callerid varchar(40),
   origtime varchar(40),
   duration varchar(20),
+  flag varchar(8),
   mailboxuser varchar(80),
   mailboxcontext varchar(80),
   recording lo,