[gimp] gitignore: hide various files copied by the autogen.sh step.

[Jehan <jehanp src gnome org>]

commit 07cd09e29032e5d443a27a122af4637d9764c17e
Author: Jehan <jehan girinstud io>
Date:   Thu Jul 7 15:36:16 2022 +0200

    gitignore: hide various files copied by the autogen.sh step.
    
    These files seem to have appear ever since the recent gettext changes in
    commit f663d26ab5.
    In particular, the call to autoreconf seems to be creating these.

 .gitignore    | 1 +
 po/.gitignore | 8 ++++++++
 2 files changed, 9 insertions(+)
---
diff --git a/.gitignore b/.gitignore
index 4822b58f65..7558674ef7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,6 +30,7 @@
 /config.h
 /config.h.in
 /config.log
+/config.rpath
 /config.status
 /config.status.lineno
 /config.sub
diff --git a/po/.gitignore b/po/.gitignore
index 346c34d97e..10e6953d4a 100644
--- a/po/.gitignore
+++ b/po/.gitignore
@@ -1,9 +1,17 @@
 /*.gmo
 /*.mo
 /*.pot
+/boldquot.sed
+/en@boldquot.header
+/en@quot.header
+/insert-header.sin
+/quot.sed
+/remove-potcdate.sin
 /Makefile
 /Makefile.in
+/Makevars.template
 /POTFILES
+/Rules-quot
 /messages
 /missing
 /po2tbl.sed.in