Blocking MWI change to 1.4 since the mwi system is different in 1.6.x and trunk....

testing to make sure this works properly, but from reading the code, it does seem to work
as it should.

Blocked revisions 177450 via svnmerge

........
r177450 | oej | 2009-02-19 19:58:57 +0100 (Tor, 19 Feb 2009) | 2 lines

Force a MWI notification after subscribe request. Reported by the Resiprocate dev team. Thanks!

........

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@177451 65c4cc65-6c06-0410-ace0-fbb531ad65f3