Fix typos [ci skip]

ccan/list/list.h

@@ -654,7 +654,7 @@ static inline void list_prepend_list_(struct list_head *to,
 /**
  * list_for_each_off - iterate through a list of memory regions.
  * @h: the list_head
- * @i: the pointer to a memory region wich contains list node data.
+ * @i: the pointer to a memory region which contains list node data.
  * @off: offset(relative to @i) at which list node data resides.
  *
  * This is a low-level wrapper to iterate @i over the entire list, used to
@@ -686,7 +686,7 @@ static inline void list_prepend_list_(struct list_head *to,
 /**
  * list_for_each_rev_off - iterate through a list of memory regions backwards
  * @h: the list_head
- * @i: the pointer to a memory region wich contains list node data.
+ * @i: the pointer to a memory region which contains list node data.
  * @off: offset(relative to @i) at which list node data resides.
  *
  * See list_for_each_off for details
@@ -698,7 +698,7 @@ static inline void list_prepend_list_(struct list_head *to,
  * list_for_each_safe_off - iterate through a list of memory regions, maybe
  * during deletion
  * @h: the list_head
- * @i: the pointer to a memory region wich contains list node data.
+ * @i: the pointer to a memory region which contains list node data.
  * @nxt: the structure containing the list_node
  * @off: offset(relative to @i) at which list node data resides.
  *
@@ -717,7 +717,7 @@ static inline void list_prepend_list_(struct list_head *to,
  * list_for_each_rev_safe_off - iterate backwards through a list of
  * memory regions, maybe during deletion
  * @h: the list_head
- * @i: the pointer to a memory region wich contains list node data.
+ * @i: the pointer to a memory region which contains list node data.
  * @nxt: the structure containing the list_node
  * @off: offset(relative to @i) at which list node data resides.
  *