Fix lc_codepage_func isssue


git-svn-id: svn://svn.code.sf.net/p/mingw-w64/code/trunk@6134 4407c894-4637-0410-b4f5-ada5f102cad1
Don't use WINBOOL in IDL files.

git-svn-id: svn://svn.code.sf.net/p/mingw-w64/code/trunk@6135 4407c894-4637-0410-b4f5-ada5f102cad1