build: update gnulib submodule to latest
commitaffc8e8087ed6c2575d32e21df2986747f5852ee
authorPádraig Brady <P@draigBrady.com>
Tue, 1 Sep 2015 16:42:33 +0000 (1 17:42 +0100)
committerPádraig Brady <P@draigBrady.com>
Tue, 1 Sep 2015 16:42:33 +0000 (1 17:42 +0100)
treea0fedb3fb4b30679948877322367b569b8b21b44
parenta83f703a9bf9412417be94848a4ed7b7f1c1fc4a
build: update gnulib submodule to latest

This includes a tweak to support building
the gnulib base32 module with -Wsuggest-attribute=const
gnulib