git-gui: sort the numeric ansi codes
git-gui: sort the numeric ansi codes

This ensures that underline does not conflict with inverse colors.

Signed-off-by: Pat Thoyts <fe43a83262eef1680511f524a1e74d43c633cffe@users.sourceforge.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git