Update enma to 1.2.0.

2012-01-31  SUZUKI Takahiko  <takahiko@iij.ad.jp>

    * 1.2.0
    * [DKIM] fix mis-canonicalization of empty message body in "relax" mode

2011-12-05  SUZUKI Takahiko  <takahiko@iij.ad.jp>

    * 1.1.992
    * support platforms which doesn't have EAI_NODATA any more
    * adjust configure.ac not to link with librt when ldns is chosen as a resolver

2011-11-28  SUZUKI Takahiko  <takahiko@iij.ad.jp>

    * 1.1.991
    * switch default resolver from libbind to ldns
    * [SPF/SIDF] fix memory allocation error at expanding "p" macro when <ip> has no validated domain names
    * [SPF/SIDF] fix misevaluation on domain names longer than 63 characters (thanks to KODAMA Daisuke, NEC BIGLOBE)
    * [DKIM] catch up the updates from RFC4871, RFC5672 to RFC6376
    * [DKIM] change result from "none" to "permerror" of message without any Author header
    * [DKIM] fix mis-canonicalization of header field name includes WSP in "relax" mode
    * [DKIM] fix memory allocation error on message with syntax errors in sig-i-tag value

(obache)