git-gui: corrected setup of git worktree under cygwin.
tree98d7d9b2122ee3efa3d0016357368470134a0292
-rw-r--r-- 170 .gitattributes
-rw-r--r-- 97 .gitignore
-rwxr-xr-x 1813 GIT-VERSION-GEN
-rw-r--r-- 11664 Makefile
-rwxr-xr-x 1372 git-gui--askpass
-rwxr-xr-x 99859 git-gui.sh
drwxr-xr-x - lib
drwxr-xr-x - macosx
drwxr-xr-x - po
drwxr-xr-x - windows