Added DCICloseProvider stub.

dlls/dciman32/dciman32.spec

@@ -5,7 +5,7 @@ import	kernel32.dll
 import	ntdll.dll
 
 @ stub    DCIBeginAccess
-@ stub    DCICloseProvider
+@ stdcall DCICloseProvider(long) DCICloseProvider
 @ stub    DCICreateOffscreen
 @ stub    DCICreateOverlay
 @ stub    DCICreatePrimary

dlls/dciman32/dciman_main.c

 /* 
- * Implementation of DCIMAN32 - Direct C? Interface Manager?
+ * Implementation of DCIMAN32 - DCI Manager
+ * "Device Context Interface" ?
  * 
  * Copyright 2000 Marcus Meissner
  */
@@ -18,3 +19,12 @@ DCIOpenProvider(void) {
     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
     return 0;
 }
+
+/***********************************************************************
+ *		DCICloseProvider (DCIMAN32.@)
+ */
+void WINAPI
+DCICloseProvider(HDC hdc) {
+    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+    return;
+}