xapofx: Implement CreateFX.

dlls/xapofx1_1/xapofx1_1.spec

-@ stub CreateFX
+@ cdecl CreateFX(ptr ptr) xapofx1_5.CreateFX

dlls/xapofx1_3/xapofx1_3.spec

-@ stub CreateFX
+@ cdecl CreateFX(ptr ptr) xapofx1_5.CreateFX

dlls/xapofx1_4/xapofx1_4.spec

-@ stub CreateFX
+@ cdecl CreateFX(ptr ptr) xapofx1_5.CreateFX

dlls/xapofx1_5/Makefile.in

 MODULE    = xapofx1_5.dll
+IMPORTS   = ole32
 
 C_SRCS = \
 	main.c

dlls/xapofx1_5/main.c

@@ -19,8 +19,13 @@
 
 #include <stdarg.h>
 
+#include "initguid.h"
 #include "windef.h"
 #include "winbase.h"
+#include "compobj.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(xaudio2);
 
 BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
 {
@@ -35,3 +40,9 @@ BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
 
     return TRUE;
 }
+
+HRESULT CDECL CreateFX(REFCLSID clsid, IUnknown **out)
+{
+    TRACE("%s %p\n", debugstr_guid(clsid), out);
+    return CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER, &IID_IUnknown, (void**)out);
+}

dlls/xapofx1_5/xapofx1_5.spec

-@ stub CreateFX
+@ cdecl CreateFX(ptr ptr)