SpringSource/spring-integration — pull request #784 by garyrussell (2013-04-11 17:11:22+00:00)
Title: INT-2991 Filtered Messages Marked SEEN

Missing else clause caused filtered email messages to
still be marked as SEEN. Also marked un-filtered messages
twice if a filter was present.

Add else; add tests.

__cherry-pick to 2.2.x__