Documentation/filesystems/sysfs.txt: fix device_attribute declaration

Fix a wrong device_attribute declaration example.
Signed-off-by: Andre Richter <andre.o.richter@gmail.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Documentation/filesystems/sysfs.txt

@@ -111,9 +111,9 @@ static struct device_attribute dev_attr_foo = {
 	.attr = {
 		.name = "foo",
 		.mode = S_IWUSR | S_IRUGO,
+	},
 	.show = show_foo,
 	.store = store_foo,
-	},
 };