Add the cwd to format.sh for find
Add the cwd to format.sh for find

Some `find` (mac's default find command) doesn't use the cwd as the
default directory.

Signed-off-by: Lai Jiangshan <b337eedf453972390e4695e362aeea2634ef4e0c@gmail.com>

hyperhq/hyperd,gnawux/hyper,laijs/hyperd,WIZARD-CXY/hyper,hyperhq/hyper,gao-feng/hyper-public,laijs/hyper,WIZARD-CXY/hyper,WIZARD-CXY/hyper,gao-feng/hyper,bergwolf/hyperd,laijs/hyper,gao-feng/hyper-public,hyperhq/hyper,laijs/hyper,laijs/hyperd,gao-feng/hyper-public,ZJU-SEL/hyper,WIZARD-CXY/hyper,ZJU-SEL/hyper,feiskyer/hyper,gnawux/hyper,gnawux/hyper,feiskyer/hyper,hyperhq/hyperd,feiskyer/hyper,bergwolf/hyperd,ZJU-SEL/hyper,hyperhq/hyper,laijs/hyperd,ZJU-SEL/hyper,hyperhq/hyperd,bergwolf/hyperd,gao-feng/hyper,feiskyer/hyper,gao-feng/hyper,gao-feng/hyper,hyperhq/hyper,bergwolf/hyperd,laijs/hyper