From: Boyuan Yang <byang@debian.org>
Date: Tue, 26 Apr 2022 22:09:16 -0400
Subject: configure.ac: Use explicit AM_GETTEXT_VERSION

This is required for autopoint, gettextize to work well.

Bug-Debian: https://bugs.debian.org/997098
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index e3f33c6..62ee5a1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -451,6 +451,7 @@ AC_PCH_FLAG([-fpch-preprocess])
 # Internationalisation support
 ##############################
 AM_GNU_GETTEXT([external])
+AM_GNU_GETTEXT_VERSION([0.21])
 
 ################
 # Update checker