Git Shell in Windows: patch's default character encoding is UCS-2 Little Endian - how to change this to ANSI or UTF-8 without BOM?

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http://serverfault.com – When creating a diff patch with Git Shell in Windows (when using GitHub for Windows), the character encoding of the patch will be UCS-2 Little Endian according to Notepad++ (see the screenshots below). How can I change this behavior, and force git to create patches with ANSI or UTF-8 without BOM character encoding? It causes a problem because UCS-2 Little Endian encoded patches can not be applied, I have to manually convert it to ANSI. (HowTos)