[gimp] build/win: Remove all extra files while cleaning.

[Michael Henning <mhenning src gnome org>]

commit 90add0f55a460773743bdc43d4b6580018a500a6
Author: Michael Henning <drawoc darkrefraction com>
Date:   Sat Aug 9 15:55:16 2014 -0400

    build/win: Remove all extra files while cleaning.

 build/windows/jhbuild/clean |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/build/windows/jhbuild/clean b/build/windows/jhbuild/clean
index 1b556cb..9f023a2 100755
--- a/build/windows/jhbuild/clean
+++ b/build/windows/jhbuild/clean
@@ -6,7 +6,7 @@ find . -maxdepth 1 -type f -atime +25 -print -delete
 
 for gitdir in babl gegl gimp; do
        pushd $gitdir
-       git clean -Xdf
+       git clean -xdf
        popd
 done