Bump version to 0.7.2.2.

binary.cabal

 name:            binary
-version:         0.7.2.1
+version:         0.7.2.2
 license:         BSD3
 license-file:    LICENSE
 author:          Lennart Kolmodin <kolmodin@gmail.com>

changelog.md

 binary
 ======
 
+binary-0.7.2.2
+--------------
+
+- Make import of GHC.Base future-proof (https://github.com/kolmodin/binary/pull/59).
+
 binary-0.7.2.1
 --------------
 
-- Fix to compile on GHC 6.10.4 and older, see issue #55.
+- Fix to compile on GHC 6.10.4 and older (https://github.com/kolmodin/binary/issues/55).
 
 binary-0.7.2.0
 --------------