Now that we no longer have a global Make.rules file, include them in 
each Makefile.

Reuse our caching mechanism (get_directory_contents()), but clear the 
cache if we have modified a directory's content.

It was already commented out when it was imported into Wine back in 2002.

It has a different meaning there.

user32: Refine the size calculations for menu items with HBMMENU_POPUP magic bitmaps with some conformance tests.

widl: Only classify top-level pointers as ref pointers if they don't have any other pointer attributes.

Print a warning if a pointer attribute is specified since the
generated code won't do what the developer expects.

It should be key, not subkey being passed into RegSetValueExW.

imm32: Fix crash in DllMain when FreeLibrary is called from a thread which existed before the DLL was loaded.

The code in IMM_FreeThreadData shouldn't assume that thread data will
always have been created, so check for NULL data.

Make loading the DLL more robust against errors.