Changelog update.

Cabal/changelog

@@ -19,6 +19,8 @@
 	  only the macros for the library, and is not generated if a
 	  package has no library; to find the macros for an executable
 	  named 'foobar', look in 'dist/build/foobar/autogen/cabal_macros.h'.
+	* Improved an error message for process output decoding errors
+	(#3408).
 
 1.24.0.0 Ryan Thomas <ryan@ryant.org> March 2016
 	* Support GHC 8.

cabal-install/changelog

 -*-change-log-*-
 
 1.25.x.x (current development version)
-	* TODO
+	* Removed the '--root-cmd' parameter of the 'install' command
+	(#3356).
+	* Deprecated 'cabal install --global' (#3356).
+	* Improved an error message for process output decoding errors
+	(#3408).
 
 1.24.0.0 Ryan Thomas <ryan@ryant.org> March 2016
 	* If there are multiple remote repos, 'cabal update' now updates