ole32: Remove superfluous casts of void pointers to other pointer types.

dlls/ole32/dictionary.c

@@ -126,8 +126,8 @@ void dictionary_insert(struct dictionary *d, const void *k, const void *v)
     }
     else
     {
-        struct dictionary_entry *elem = (struct dictionary_entry *)
-         HeapAlloc(GetProcessHeap(), 0, sizeof(struct dictionary_entry));
+        struct dictionary_entry *elem = HeapAlloc(GetProcessHeap(), 0,
+                                            sizeof(struct dictionary_entry));
 
         if (!elem)
             return;

dlls/ole32/tests/marshal.c

@@ -1615,7 +1615,7 @@ static void test_proxybuffer(REFIID riid)
     LPVOID lpvtbl;
     ULONG refs;
     CLSID clsid;
-    HeapUnknown *pUnkOuter = (HeapUnknown *)HeapAlloc(GetProcessHeap(), 0, sizeof(*pUnkOuter));
+    HeapUnknown *pUnkOuter = HeapAlloc(GetProcessHeap(), 0, sizeof(*pUnkOuter));
 
     pUnkOuter->lpVtbl = &HeapUnknown_Vtbl;
     pUnkOuter->refs = 1;