setupapi: Don't fail a queued copy if no copy was necessary.

dlls/setupapi/queue.c

@@ -1309,7 +1309,7 @@ static BOOL queue_copy_file( const WCHAR *source, const WCHAR *dest,
     if (op->dst_path && !create_full_pathW(op->dst_path))
         return FALSE;
 
-    if (do_file_copyW(source, dest, op->style, handler, context))
+    if (do_file_copyW(source, dest, op->style, handler, context) || GetLastError() == ERROR_SUCCESS)
         return TRUE;
 
     /* try to extract it from the cabinet file */

dlls/setupapi/tests/install.c

@@ -1468,6 +1468,16 @@ static void test_need_media(void)
     ok(got_need_media == 1, "Got %u callbacks.\n", got_need_media);
     ok(delete_file("dst/one.txt"), "Destination file should exist.\n");
 
+    got_need_media = 0;
+    queue = SetupOpenFileQueue();
+    ok(queue != INVALID_HANDLE_VALUE, "Failed to open queue, error %#x.\n", GetLastError());
+    ret = SetupQueueCopyA(queue, "src", NULL, "one.txt", "File One", NULL,
+            "dst", NULL, SP_COPY_WARNIFSKIP | SP_COPY_REPLACEONLY);
+    ok(ret, "Failed to queue copy, error %#x.\n", GetLastError());
+    run_queue(queue, need_media_cb);
+    ok(got_need_media == 1, "Got %u callbacks.\n", got_need_media);
+    ok(!file_exists("dst/one.txt"), "Destination file should exist.\n");
+
     /* Test with a subdirectory. */
 
     got_need_media = 0;