[amtk] build: make the fixme message clearer

[Sébastien Wilmet <swilmet src gnome org>]

commit 2e72632ba9d127871aa344bd9cd2e160d00b3fa0
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Nov 3 15:36:22 2019 +0100

    build: make the fixme message clearer
    
    See:
    https://gitlab.gnome.org/GNOME/tepl/merge_requests/2

 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/configure.ac b/configure.ac
index 1e55335..3af593a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -89,7 +89,7 @@ AX_PKG_CHECK_MODULES([AMTK_DEP],
 
 # i18n
 AM_GNU_GETTEXT([external])
-# FIXME: Remove AM_GNU_GETTEXT_VERSION once autoreconf supports REQUIRE_VERSION
+# FIXME: Remove AM_GNU_GETTEXT_VERSION once autoreconf supports AM_GNU_GETTEXT_REQUIRE_VERSION.
 AM_GNU_GETTEXT_VERSION([0.19.6])
 AM_GNU_GETTEXT_REQUIRE_VERSION([0.19.6])
 AC_SUBST([GETTEXT_PACKAGE], [amtk-$AMTK_API_VERSION])