Horde package update:

comms/pear-Horde_ActiveSync 2.28.6 -> 2.29.2
devel/pear-Horde_Core 2.20.8 -> 2.22.0
security/pear-Horde_Crypt 2.6.0 -> 2.6.1
graphics/pear-Horde_Image 2.3.2 -> 2.3.3
mail/pear-Horde_Imap_Client 2.29.1 -> 2.29.3
mail/pear-Horde_Mime 2.9.1 -> 2.9.2