maint: post-release: bump version to 1.16.91

* configure.ac (AC_INIT): Post-release version bump to 1.16.91.

diff --git a/configure.ac b/configure.ac
index 062db99355124ebe9f6d2e84e19f650f23349d80..13b341b77820b8675277871dc609a5cae88e0f49 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -16,7 +16,7 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.69])
-AC_INIT([GNU Automake], [1.16.90], [bug-automake@gnu.org])
+AC_INIT([GNU Automake], [1.16.91], [bug-automake@gnu.org])
 
 AC_CONFIG_SRCDIR([bin/automake.in])
 AC_CONFIG_AUX_DIR([lib])