patchMake t3411 executable

Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
---

I just wanted had an old script, which did:

for i in *merge*
do
        ./$i
        if [ $? != 0 ]; then
		...
        fi
done

which pointed out this permission problem.

 0 files changed, 0 insertions(+), 0 deletions(-)
 mode change 100644 => 100755 t/t3411-rebase-preserve-around-merges.sh

Thanks.