git: use bcompare instead of bcomp for difftool/mergetool.
git: use bcompare instead of bcomp for difftool/mergetool.

blueyed/dotfiles,blueyed/dotfiles,scorpiovn/dotfiles,scorpiovn/dotfiles,blueyed/dotfiles,scorpiovn/dotfiles,scorpiovn/dotfiles,scorpiovn/dotfiles,blueyed/dotfiles,blueyed/dotfiles