sxs: Use inline wrappers for calling COM methods.

dlls/sxs/Makefile.in

 MODULE    = sxs.dll
 IMPORTS   = oleaut32 ole32
 IMPORTLIB = sxs
+EXTRADEFS = -DWIDL_C_INLINE_WRAPPERS
 
 C_SRCS = \
 	cache.c \

dlls/sxs/cache.c

@@ -69,7 +69,7 @@ static HRESULT WINAPI cache_QueryInterface(
     if (IsEqualIID(riid, &IID_IUnknown) ||
         IsEqualIID(riid, &IID_IAssemblyCache))
     {
-        IUnknown_AddRef( iface );
+        IAssemblyCache_AddRef( iface );
         *obj = cache;
         return S_OK;
     }

dlls/sxs/name.c

@@ -68,7 +68,7 @@ static HRESULT WINAPI name_QueryInterface(
     if (IsEqualIID( riid, &IID_IUnknown ) ||
         IsEqualIID( riid, &IID_IAssemblyName ))
     {
-        IUnknown_AddRef( iface );
+        IAssemblyName_AddRef( iface );
         *obj = name;
         return S_OK;
     }

dlls/sxs/tests/Makefile.in

 TESTDLL   = sxs.dll
 IMPORTS   = sxs
+EXTRADEFS = -DWIDL_C_INLINE_WRAPPERS
 
 C_SRCS = \
 	cache.c \