[evince/gnome-3-34] build: Allow building with gettext >= 0.20 with autotools

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 2f1cb4e2970aee9df4b7b853b2ead27ea4368c82
Author: Henry Gebhardt <hsggebhardt gmail com>
Date:   Wed Nov 27 14:13:43 2019 -0500

    build: Allow building with gettext >= 0.20 with autotools
    
    Solution taken from libgsf@91027d34
    
    Fixes #1312

 configure.ac | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/configure.ac b/configure.ac
index 20db00b1..fac036f8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -74,8 +74,10 @@ LT_LIB_M
 
 GNOME_CXX_WARNINGS
 
+# FIXME: Remove AM_GNU_GETTEXT_VERSION once autoreconf supports REQUIRE_VERSION
 AX_REQUIRE_DEFINED([AM_GNU_GETTEXT_VERSION])
 AM_GNU_GETTEXT_VERSION([0.19.8])
+AM_GNU_GETTEXT_REQUIRE_VERSION([0.19.8])
 
 AX_REQUIRE_DEFINED([AM_GNU_GETTEXT])
 AM_GNU_GETTEXT([external])