Revert "cleanup: general removal of TODO (and similar) comments"

This reverts commit 64e959ffe3.

Feedback-by: Dan Fandrich
URL: http://curl.haxx.se/mail/lib-2015-11/0062.html

lib/openldap.c

@@ -176,7 +176,9 @@ static CURLcode ldap_setup_connection(struct connectdata *conn)
   li->proto = proto;
   conn->proto.generic = li;
   connkeep(conn, "OpenLDAP default");
-
+  /* TODO:
+   * - provide option to choose SASL Binds instead of Simple
+   */
   return CURLE_OK;
 }
 
@@ -479,6 +481,8 @@ static ssize_t ldap_recv(struct connectdata *conn, int sockindex, char *buf,
     lr->nument++;
     rc = ldap_get_dn_ber(li->ld, ent, &ber, &bv);
     if(rc < 0) {
+      /* TODO: verify that this is really how this return code should be
+         handled */
       *err = CURLE_RECV_ERROR;
       return -1;
     }