gitk: Replace catch {unset foo} with unset -nocomplain foo
tree76b8d6dc3122da75cdb659d8fe454514b4d15750
-rw-r--r-- 27 .gitignore
-rw-r--r-- 2158 Makefile
-rwxr-xr-x 346906 gitk
drwxr-xr-x - po