openssl: force "pkgrel 0"
openssl: force "pkgrel 0"

To allow for Git for Windows' regular upgrade procedure (`please.sh
upgrade openssl`), let's force the pkgrel to 0 so that the `please.sh`
script can commit the update to pkgrel 1.

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

dscho/MINGW-packages,git-for-windows/MINGW-packages,git-for-windows/MINGW-packages,dscho/MINGW-packages,dscho/MINGW-packages,dscho/MINGW-packages,dscho/MINGW-packages,git-for-windows/MINGW-packages