include: Fix an idl string type.
diff --git a/include/axextend.idl b/include/axextend.idl
index bbbf179..c546a7e 100644
--- a/include/axextend.idl
+++ b/include/axextend.idl
@@ -266,7 +266,7 @@
HRESULT UnregisterFilter
( [in] const CLSID *pclsidCategory,
- [in] const OLECHAR *szInstance,
+ [in] LPCOLESTR szInstance,
[in] REFCLSID Filter
);
@@ -275,7 +275,7 @@
[in] LPCWSTR Name,
[in, out] IMoniker **ppMoniker,
[in] const CLSID *pclsidCategory,
- [in] const OLECHAR *szInstance,
+ [in] LPCOLESTR szInstance,
[in] const REGFILTER2 *prf2
);