fixup! Merge pull request #159 from kasal/config-c-warning

This commit replaces the Git for Windows-only patch by the patch
accepted upstream instead.

It was performed by the following shell commands:

	git revert -n 3c87ce5^2 &&
	git cherry-pick -n 06bdc23 &&
	git commit -s --fixup 3c87ce5

(and amending the commit with this commit message)

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>