this further frees the environment for Windows builders, to reduce the
risk of running into "environment is too large for exec" errors when
attempting to use xargs in a recipe.
Change-Id: I7e0b97163372018edb12329f24bb1dfafeefc526
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/144235
Tested-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>
Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>