crypt32: Add a couple stubs, and implement the undocumented I_CryptReadTrustedPublisherDWORDValueFromRegistry.

Enhance dbghelp's robustness against bogus stabs sections found in
meetro.exe (as reported by Jan Zerebecki).

NdrClientCall should be implemented as a separate function when 
NdrClientCall2 has been factorised enough.

initialise the memory size field to zero before calling the memory
sizer function.

rpcrt4: Fix the stack offset for the old format stubless code when an object's method is being called.

Cleanup DefaultHandler_GetCanonicalFormatEtc by using
This->pDataDelegate instead of querying for IDataObject from
This->pOleDelegate.

ole32: Fix a typo in IEnumSTATSTGImpl_QueryInterface where IStorage was being compared against instead of IEnumSTATSTG.

as ulCntData doesn't include the size of its own field.

Otherwise IDataObject_GetData fails before using it in
DataAdviseHolder_SendOnDataChange.

Add macros for generating the GetProxyDllInfo, DllGetClassObject and 
DllCanUnloadNow functions.