Update unix submodule to latest snapshot
authorHerbert Valerio Riedel <hvr@gnu.org>
Mon, 1 Feb 2016 18:38:46 +0000 (19:38 +0100)
committerHerbert Valerio Riedel <hvr@gnu.org>
Mon, 1 Feb 2016 21:42:57 +0000 (22:42 +0100)
Besides containing more internal refactorings,
this update also bumps unix's version number to 2.7.2.0

libraries/unix

index 91b8238..ff1c16d 160000 (submodule)
@@ -1 +1 @@
-Subproject commit 91b82383873b46385d239f2b059f353b11f07e0f
+Subproject commit ff1c16d4ee0c4ca043bd99a5d6741ea2d53e7000