[goocanvas/update-gettext] Bump gettext version

[Alberto Fanjul <albfan src gnome org>]

commit 55084ce9b4f68e213a8b670dc6b1c0847193ce49
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Tue Jan 7 19:28:40 2020 +0100

    Bump gettext version

 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/configure.ac b/configure.ac
index a67755b..964c3ee 100644
--- a/configure.ac
+++ b/configure.ac
@@ -37,7 +37,7 @@ AC_SUBST(PACKAGE_LIBS)
 
 # i18n stuff
 AM_GNU_GETTEXT([external])
-AM_GNU_GETTEXT_VERSION([0.19.4])
+AM_GNU_GETTEXT_VERSION([0.20])
 
 GETTEXT_PACKAGE=goocanvas2
 AC_SUBST(GETTEXT_PACKAGE)