attribute_container: Fix typo

The 't' in "function" was missing, this patch fixes this typo:
s/funcion/function/g

Signed-off-by: Xiubo Li <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/base/attribute_container.c

···
  * @dev:  The generic device to run the trigger for
  * @fn	  the function to execute for each classdev.
  *
- * This funcion is for executing a trigger when you need to know both
+ * This function is for executing a trigger when you need to know both
  * the container and the classdev.  If you only care about the
  * container, then use attribute_container_trigger() instead.
  */