Add comment about calling CT_POLICY_EVAL_CTX_free

 * CT policy evaluation context functions *

 ******************************************/

/* Creates a new, empty policy evaluation context */

/*

 * Creates a new, empty policy evaluation context.

 * The caller is responsible for calling CT_POLICY_EVAL_CTX_free when finished

 * with the CT_POLICY_EVAL_CTX.

 */

CT_POLICY_EVAL_CTX *CT_POLICY_EVAL_CTX_new(void);

/* Deletes a policy evaluation context and anything it owns. */