explorerframe: Add a stub of NamespaceTreeControl.

dlls/explorerframe/Makefile.in

@@ -4,9 +4,11 @@ TOPOBJDIR = ../..
 SRCDIR    = @srcdir@
 VPATH     = @srcdir@
 MODULE    = explorerframe.dll
+IMPORTS   = uuid
 
 C_SRCS = \
-	explorerframe_main.c
+	explorerframe_main.c \
+	nstc.c
 
 RC_SRCS = \
 	version.rc

dlls/explorerframe/explorerframe_main.h

@@ -21,10 +21,14 @@
 #ifndef __WINE_EXPLORERFRAME_H
 #define __WINE_EXPLORERFRAME_H
 
+#include "shlobj.h"
+
 extern HINSTANCE explorerframe_hinstance;
 
 extern LONG EFRAME_refCount;
 static inline void EFRAME_LockModule(void) { InterlockedIncrement( &EFRAME_refCount ); }
 static inline void EFRAME_UnlockModule(void) { InterlockedDecrement( &EFRAME_refCount ); }
 
+HRESULT NamespaceTreeControl_Constructor(IUnknown *pUnkOuter, REFIID riid, void **ppv);
+
 #endif /* __WINE_EXPLORERFRAME_H */