kobject-example: Spelling fixes.

No change in functionality.

Signed-off-by: Radu Voicilas <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

samples/kobject/kobject-example.c

···
 	__ATTR(foo, 0666, foo_show, foo_store);
 
 /*
- * More complex function where we determine which varible is being accessed by
+ * More complex function where we determine which variable is being accessed by
  * looking at the attribute for the "baz" and "bar" files.
  */
 static ssize_t b_show(struct kobject *kobj, struct kobj_attribute *attr,
···
 
 
 /*
- * Create a group of attributes so that we can create and destory them all
+ * Create a group of attributes so that we can create and destroy them all
  * at once.
  */
 static struct attribute *attrs[] = {