msg/Makefile.am: allow short header forms in MIME attachments, too
msg/Makefile.am: allow short header forms in MIME attachments, too

Ignore-this: 96e2eed7fed2c1c0b6dbb41f65b9a990

darcs-hash:20090211210148-db55f-774921c37883a401efc94f8b0b8add905aa8faaf.gz

BelledonneCommunications/sofia-sip,unispeech/sofia-sip,xhook/sofia-sip,xhook/sofia-sip,jart/sofia-sip,jart/sofia-sip,erdincay/sofia-sip,unispeech/sofia-sip,unispeech/sofia-sip,xhook/sofia-sip,BelledonneCommunications/sofia-sip,unispeech/sofia-sip,jart/sofia-sip,erdincay/sofia-sip,xhook/sofia-sip,BelledonneCommunications/sofia-sip,BelledonneCommunications/sofia-sip,erdincay/sofia-sip,erdincay/sofia-sip,xhook/sofia-sip