This fixes wine test failures in Japanese locale.

This reverts commit 15aa8daf.
It breaks the default character rendering in some bitmap fonts, e.g. Fixedsys.

Thanks to this change we don't need to free the data differently
depending on how it was created (by typelib reading or writing code).

iphlpapi: Add partial support for the module classes in GetExtendedTcpTable and GetExtendedUdpTable.

configure: Move the checks inside the WINE_PACKAGE_FLAGS macro to enable restoring CPPFLAGS automatically.