Added stub for DCIOpenProvider.

dlls/dciman32/dciman32.spec

@@ -12,7 +12,7 @@ import	ntdll.dll
 @ stub    DCIDraw
 @ stub    DCIEndAccess
 @ stub    DCIEnum
-@ stub    DCIOpenProvider
+@ stdcall DCIOpenProvider() DCIOpenProvider
 @ stub    DCISetClipList
 @ stub    DCISetDestination
 @ stub    DCISetSrcDestClip

dlls/dciman32/dciman_main.c

-/* nothing here yet */
+/* 
+ * Implementation of DCIMAN32 - Direct C? Interface Manager?
+ * 
+ * Copyright 2000 Marcus Meissner
+ */
+
+#include <stdio.h>
+
+#include "winbase.h"
+#include "winerror.h"
+#include "debugtools.h"
+
+HDC WINAPI
+DCIOpenProvider(void) {
+    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+    return 0;
+}