[libsecret] build: Require gettext 0.19.8 or newer, not the exactly that version

[Daiki Ueno <dueno src gnome org>]

commit 7a6d4b9bc1e03657bf39f795376d2e1bcacd6765
Author: Daiki Ueno <dueno src gnome org>
Date:   Mon Jan 13 13:35:45 2020 +0100

    build: Require gettext 0.19.8 or newer, not the exactly that version

 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/configure.ac b/configure.ac
index d11ed70..9f59dbb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -79,7 +79,11 @@ PKG_PROG_PKG_CONFIG
 # i18n
 
 AM_GNU_GETTEXT([external])
+# FIXME: Remove AM_GNU_GETTEXT_VERSION once autoreconf supports REQUIRE_VERSION
 AM_GNU_GETTEXT_VERSION([0.19.8])
+m4_ifdef([AM_GNU_GETTEXT_REQUIRE_VERSION],[
+AM_GNU_GETTEXT_REQUIRE_VERSION([0.19.8])
+])
 
 GETTEXT_PACKAGE=libsecret
 AC_SUBST([GETTEXT_PACKAGE])