avifil32/tests: Compile with -D__WINESRC__.
wsock32: Add a fallback for inet_network.
msi/tests: Prepare action.c for the switch to -D__WINESRC__.
msi/tests: Prepare automation.c for the switch to -D__WINESRC__.
msi/tests: Prepare db.c for the switch to -D__WINESRC__.
msi/tests: Prepare format.c for the switch to -D__WINESRC__.
msi/tests: Prepare install.c for the switch to -D__WINESRC__.
msi/tests: Prepare package.c for the switch to -D__WINESRC__.
msi/tests: Prepare patch.c for the switch to -D__WINESRC__.
msi/tests: Prepare record.c for the switch to -D__WINESRC__.
msi/tests: Prepare source.c for the switch to -D__WINESRC__.
msi/tests: Prepare suminfo.c for the switch to -D__WINESRC__.
msi/tests: Prepare msi.c for the switch to -D__WINESRC__.
msi/tests: Compile with -D__WINESRC__.
user32/tests: Skip winstation tests when no enough privileges.
user32/tests: Skip winstation tests on NT4.
tools: Add new Explicit Formatting types for Unicode 6.3.
tools: Update the character data tables to Unicode 6.3.0.
advapi32: Attempt to open WOW64 key before the lowest level key, too.

Without this, we'll fail to open the correct key for e.g.
<Machine\Software\Classes> with KEY_WOW64_32KEY, which should resolve to
<Machine\Software\Wow6432Node\Classes>.
advapi32: Don't cache HKCR if WOW64 redirection flags are set.