fixing the issue of "delete [] (void*)". This is wrong.

since the pointer was 'newed' as a char *, we need to
delete a (char *)

No bug for this... but very similar to
# 34040
r= cls@seawood.org Joe.Chou@eng.sun.com

modules/plugin/base/src/nsPluginHostImpl.cpp

@@ -3509,7 +3509,7 @@ NS_IMETHODIMP nsPluginHostImpl::NewPluginURLStream(const nsString& aURL,
 
               if (newPostData)
                 {
-                  delete [] newPostData;
+                  delete [] (char *)newPostData;
                   newPostData = nsnull;
                 }
             }