style: fix style hook when run from a repo subdir. Before this fix, the style hook would blow up when you did a qrefresh to add a new file, but executed the qrefresh from a repository sub directory.
style: fix style hook when run from a repo subdir.
Before this fix, the style hook would blow up when you did a qrefresh to add
a new file, but executed the qrefresh from a repository sub directory.

andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin