[recipes] Let make-pot gnerate gnome-recipes-data.pot as well

[Matthias Clasen <matthiasc src gnome org>]

commit bdb4a35003389dcab6fb64b053b221e3b42ffdf2
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Feb 26 11:45:04 2017 -0500

    Let make-pot gnerate gnome-recipes-data.pot as well
    
    This is just copied from what we do in gtk+.

 make-pot |   16 ++++++++++++----
 1 files changed, 12 insertions(+), 4 deletions(-)
---
diff --git a/make-pot b/make-pot
index 427c2a3..2501ffd 100755
--- a/make-pot
+++ b/make-pot
@@ -9,7 +9,9 @@
 #
 #   ./make-pot
 #
-# to generate po/recipes.pot
+# to generate po/gnome-recipes.pot, and like this:
+#
+#   ./make-pot data
 #
 # Various things can be passed in by environment variables, which
 # are heavily inspired by the variables used in po/Makefile.in.in:
@@ -28,9 +30,15 @@ SED="${SED:-sed}"
 XGETTEXT="${XGETTEXT:-xgettext}"
 top_srcdir="${top_srcdir:-.}"
 
-srcdir="${srcdir:-$top_srcdir/po}"
-GETTEXT_PACKAGE="${GETTEXT_PACKAGE:-gnome-recipes}"
-XGETTEXT_KEYWORDS="${XGETTEXT_KEYWORDS:- --keyword=_ --keyword=N_ --keyword=C_:1c,2 --keyword=NC_:1c,2 
--keyword=gettext --keyword=ngettext:1,2 --keyword=g_dngettext:2,3 }"
+if test "$1" = "data"; then
+  srcdir="${srcdir:-$top_srcdir/po-data}"
+  GETTEXT_PACKAGE="${GETTEXT_PACKAGE:-gnome-recipes-data}"
+  XGETTEXT_KEYWORDS="${XGETTEXT_KEYWORDS:- --keyword --keyword=N_ }"
+else
+  srcdir="${srcdir:-$top_srcdir/po}"
+  GETTEXT_PACKAGE="${GETTEXT_PACKAGE:-gnome-recipes}"
+  XGETTEXT_KEYWORDS="${XGETTEXT_KEYWORDS:- --keyword=_ --keyword=N_ --keyword=C_:1c,2 --keyword=NC_:1c,2 
--keyword=gettext --keyword=ngettext:1,2 --keyword=g_dngettext:2,3 }"
+fi
 
 $SED -e 's/^\(.*\)$/     N_("\1"),/' $top_srcdir/data/ingredients.list > $top_srcdir/src/ingredients.inc
 $SED -e 's/^\(.*\)$/     N_("no \1"),/' $top_srcdir/data/ingredients.list > 
$top_srcdir/src/no-ingredients.inc