Added columns for policyd in spamfilter_policy table.

Till Brehm

2014-01-22 08462d0f49737d258ecd9d1010c2e510534a62d8

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ALTER TABLE  `sys_session` CHANGE  `session_id`  `session_id` VARCHAR( 64 ) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL;