Log Message:
zlib-ng: updated to 2.2.1

2.2.1

This is the first stable release of the 2.2.x branch
Please read the changelog for the 2.2.0 Release Candidate if you didn't already, \ 
especially if your software gives zlib-ng a custom allocator.

No bugreports came in during 2.2.0 RC testing, so the only change in 2.2.1 is a \ 
small fix for Configure that was already in the pipe:

Configure: Don't use zlib-ng's -Wl,--version-script in tests