* include/ws2spi.h (system_header): Add pragma.
* include/rasdlg.h (system_header): Add pragma.
* include/rasdlg.h (_RASDLG_H): Define.
Define instead of _RASDLG_H_, this is the w32api standard.
* include/mlang.h (_MLANG_H): Define.
Define instead of _MLANG_H_, this is the w32api standard.
* include/setupapi.h (_SETUPAPI_H): Define.
Define instead of _SETUPAPI_H_, this is the w32api standard.
* include/comcat.h: INTERFACE should not remain defined
at the end of the header.
* include/docobj.h: Ditto.
* include/exdisp.h: Ditto.
* include/intshcut.h: Ditto.
* include/mlang.h: Ditto.
* include/mshtml.h: Ditto.
* include/oaidl.h: Ditto.