Ada binding for Zlib compression (runtime)

 The GNAT Component Collection deals with: module tracing, efficient
 file IO, static string searching (Boyer-Moore), e-mails and
 mailboxes, Ravenscar tasking profiles, storage pools, JSON, logging,
 shell scripting. Components relying on external dependencies are
 distributed in separate packages.
 .
 This package contains the runtime shared library for the zlib binding.