[jhbuild] Add some auxiliary files to .gitignore

[Jonh Wendell <jwendell src gnome org>]

commit 22c2326a3205e4b3bf1bcb56c93b09484f821713
Author: Jonh Wendell <jonh wendell redhat com>
Date:   Thu Sep 1 10:21:22 2016 -0300

    Add some auxiliary files to .gitignore

 .gitignore |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 9eb9508..3b9a5d5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@
 Makefile
 Makefile.in
 autom4te.cache/
+build-aux/
 config*.lineno
 moduleset.rng
 mo/
@@ -43,6 +44,7 @@ mo/
 /po/quot.sed
 /po/remove-potcdate.sin
 /po/stamp-it
+/po/stamp-po
 /py-compile
 /scripts/jhbuild
 /tests/*/aclocal.m4