* https://github.com/prati0100/git-gui:
git-gui - use mkshortcut on Cygwin
git-gui - use cygstart to browse on Cygwin
git-gui - remove obsolete Cygwin specific code
git gui Makefile - remove Cygwin modifications
Makefiles: change search through $(MAKEFLAGS) for GNU make 4.4
Work around Tcl's default `PATH` lookup
Move the `_which` function (almost) to the top
Move is_<platform> functions to the beginning
is_Cygwin: avoid `exec`ing anything
windows: ignore empty `PATH` elements
git-gui: Fix a typo in README
a793520380