[gegl] po: add rule to regenerate POTFILES.in

[Ãyvind KolÃs <ok src gnome org>]

commit 413df484373ca4e2a92f01a451695d937c6a5f95
Author: Ãyvind KolÃs <pippin gimp org>
Date:   Mon Apr 2 13:25:13 2012 +0100

    po: add rule to regenerate POTFILES.in

 po/Makefile.in.in |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/po/Makefile.in.in b/po/Makefile.in.in
index b2d98c9..bfd347f 100644
--- a/po/Makefile.in.in
+++ b/po/Makefile.in.in
@@ -218,3 +218,8 @@ stamp-it: Makefile.in.in $(top_builddir)/config.status POTFILES.in
 # Tell versions [3.59,3.63) of GNU make not to export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT:
+
+update:
+	echo "[encoding: UTF-8]" > POTFILES.in
+	echo "" >> POTFILES.in
+	(cd ..; git grep "_(\"" | grep -v Binary | sed s/:.\*// | uniq >> po/POTFILES.in)