add casts (cosmetic; just be explicit)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62430 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/fiddle/function.c

@@ -214,7 +214,7 @@ function_call(int argc, VALUE argv[], VALUE self)
 	args.values[i] = (void *)&generic_args[i];
     }
     args.values[argc] = NULL;
-    args.fn = NUM2PTR(cfunc);
+    args.fn = (void(*)(void))NUM2PTR(cfunc);
 
     (void)rb_thread_call_without_gvl(nogvl_ffi_call, &args, 0, 0);
 

ext/fiddle/pointer.c

@@ -440,7 +440,7 @@ rb_fiddle_ptr_inspect(VALUE self)
 
     TypedData_Get_Struct(self, struct ptr_data, &fiddle_ptr_data_type, data);
     return rb_sprintf("#<%"PRIsVALUE":%p ptr=%p size=%ld free=%p>",
-		      RB_OBJ_CLASSNAME(self), data, data->ptr, data->size, data->free);
+		      RB_OBJ_CLASSNAME(self), (void *)data, data->ptr, data->size, (void *)data->free);
 }
 
 /*