dplayx: Add a separate refcount for IDirectPlay2.

dlls/dplayx/dplay_global.h

@@ -183,10 +183,11 @@ typedef struct tagDirectPlay2Data
 typedef struct IDirectPlayImpl
 {
   IDirectPlay2A IDirectPlay2A_iface;
+  IDirectPlay2 IDirectPlay2_iface;
   IDirectPlay4A IDirectPlay4A_iface;
   IDirectPlay4  IDirectPlay4_iface;
   LONG numIfaces; /* "in use interfaces" refcount */
-  LONG ref2A, ref4A, ref4;
+  LONG ref2A, ref2, ref4A, ref4;
   CRITICAL_SECTION lock;
   DirectPlay2Data *dp2;
 } IDirectPlayImpl;

dlls/dplayx/tests/dplayx.c

@@ -6405,7 +6405,7 @@ static void test_COM(void)
     hr = IDirectPlayX_QueryInterface(dp4, &IID_IDirectPlay2, (void**)&dp2);
     ok(hr == S_OK, "QueryInterface for IID_IDirectPlay2 failed: %08x\n", hr);
     refcount = IDirectPlay2_AddRef(dp2);
-    todo_wine ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
+    ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
     IDirectPlay2_Release(dp2);
 
     hr = IDirectPlayX_QueryInterface(dp4, &IID_IDirectPlay3A, (void**)&dp3A);