[gtk-mac-integration] Fix gettext configuration when building with autogen.sh from a clean git clone.

[John Ralls <jralls src gnome org>]

commit ac00ca4c6de99bbfff3140d5733fafcd67ec6a4a
Author: John Ralls <jralls ceridwen us>
Date:   Tue Jun 29 13:48:39 2021 -0700

    Fix gettext configuration when building with autogen.sh from a clean git clone.

 autogen.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/autogen.sh b/autogen.sh
index 06571ce..d20cc75 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -21,8 +21,9 @@ if [ "$#" = 0 -a "x$NOCONFIGURE" = "x" ]; then
         echo "*** '$0' command line." >&2
         echo "" >&2
 fi
-aclocal -I m4 --install
+autopoint
 gtkdocize --copy || exit 1
+aclocal -I m4 --install
 autoreconf --verbose --force --install || exit 1
 
 cd "$olddir"