Log Message:
Updating devel/p5-Compress-Raw-Zlib from 2.037 to 2.040
It's a requirement for update of devel/p5-IO-Compress to 2.040.

Upstream changes:
2.040 28 October 2011

* No Changes

2.039 28 October 2011

* croak if attempt to freeze/thaw compression object
    [RT #69985]