dplayx: Add a separate refcount for IDirectPlay3.

dlls/dplayx/dplay_global.h

@@ -185,10 +185,11 @@ typedef struct IDirectPlayImpl
   IDirectPlay2A IDirectPlay2A_iface;
   IDirectPlay2 IDirectPlay2_iface;
   IDirectPlay3A IDirectPlay3A_iface;
+  IDirectPlay3 IDirectPlay3_iface;
   IDirectPlay4A IDirectPlay4A_iface;
   IDirectPlay4  IDirectPlay4_iface;
   LONG numIfaces; /* "in use interfaces" refcount */
-  LONG ref2A, ref2, ref3A, ref4A, ref4;
+  LONG ref2A, ref2, ref3A, ref3, ref4A, ref4;
   CRITICAL_SECTION lock;
   DirectPlay2Data *dp2;
 } IDirectPlayImpl;

dlls/dplayx/tests/dplayx.c

@@ -6417,7 +6417,7 @@ static void test_COM(void)
     hr = IDirectPlayX_QueryInterface(dp4, &IID_IDirectPlay3, (void**)&dp3);
     ok(hr == S_OK, "QueryInterface for IID_IDirectPlay3 failed: %08x\n", hr);
     refcount = IDirectPlay3_AddRef(dp3);
-    todo_wine ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
+    ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
     IDirectPlay3_Release(dp3);
 
     hr = IDirectPlayX_QueryInterface(dp4, &IID_IDirectPlay4A, (void**)&dp4A);