gnulib: update

To get bitset_free accept NULL.  See
https://lists.gnu.org/archive/html/bug-gnulib/2019-10/msg00054.html
This commit is contained in:
Akim Demaille
2019-10-21 16:48:11 +02:00
parent d76ea5ce06
commit d6fe39cd18
+1 -1
Submodule gnulib updated: 996cae1ddb...ac7fd66617