dm: test: Correct a stray backslash in dm_test_destroy()

This should perhaps be a period.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: add the ending period and reword the commit message]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

test/dm/test-main.c

@@ -64,7 +64,7 @@ static int dm_test_destroy(struct unit_test_state *uts)
 
 		/*
 		 * If the uclass doesn't exist we don't want to create it. So
-		 * check that here before we call uclass_find_device()/
+		 * check that here before we call uclass_find_device().
 		 */
 		uc = uclass_find(id);
 		if (!uc)