build: update gnulib submodule to latest

This includes a tweak to support building
the gnulib base32 module with -Wsuggest-attribute=const
This commit is contained in:
Pádraig Brady
2015-09-01 17:42:33 +01:00
parent a83f703a9b
commit affc8e8087
+1 -1
Submodule gnulib updated: a89e344969...7ab64d2610