git: do not interfere with Git's USE_MINGW_ANSI_STDIO setting
git: do not interfere with Git's USE_MINGW_ANSI_STDIO setting

Signed-off-by: Johannes Schindelin <53fb8db7833fca1e1746dd8592f61048d350f64c@gmx.de>

dscho/MINGW-packages,silverkorn/MINGW-packages,JanSchulz/MINGW-packages,silverkorn/MINGW-packages,vcgato29/MINGW-packages,silverkorn/MINGW-packages,dscho/MINGW-packages,git-for-windows/MINGW-packages,git-for-windows/MINGW-packages,dscho/MINGW-packages,vcgato29/MINGW-packages,JanSchulz/MINGW-packages,git-for-windows/MINGW-packages,vcgato29/MINGW-packages,dscho/MINGW-packages,dscho/MINGW-packages,JanSchulz/MINGW-packages