- comments and cleanups

Source/charon/sa/child_sa.c

@@ -550,7 +550,7 @@ static void destroy(private_child_sa_t *this)
  */
 child_sa_t * child_sa_create(host_t *me, host_t* other)
 {
-	static u_int32_t reqid = 1;
+	static u_int32_t reqid = 0xc0000000;
 	private_child_sa_t *this = allocator_alloc_thing(private_child_sa_t);
 
 	/* public functions */

Source/charon/sa/child_sa.h

@@ -47,6 +47,8 @@ typedef struct child_sa_t child_sa_t;
  * - B sends the updated proposal to A
  * - A calls child_sa_t.update to update the already allocated SPIs with the chosen proposal
  * 
+ * Once SAs are set up, policies can be added using add_policies.
+ * 
  * 
  * @b Constructors:
  *  - child_sa_create()