[PATCH] git-clean fails on files beginning with a dash

Reproducible with:

$ git init-db
$ echo "some text" >-file
$ git clean
Removing -file
rm: invalid option -- l
Try `rm --help' for more information.

Signed-off-by: Dennis Stosberg <redacted>
---
 git-clean.sh |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/git-clean.sh b/git-clean.sh
index bb56264..3834323 100755
--- a/git-clean.sh
+++ b/git-clean.sh

@@ -19,8 +19,8 @@ ignored=
 ignoredonly=
 cleandir=
 quiet=
-rmf="rm -f"
-rmrf="rm -rf"
+rmf="rm -f --"
+rmrf="rm -rf --"
 rm_refuse="echo Not removing"
 echo1="echo"
 

-- 
1.3.3+git20060528-dest1