Correct type description for port in comment.
Correct type description for port in comment.

fredericgermain/libcoap,thecodemaiden/libcoap-fork,sgso/libcoap,RIOT-OS/libcoap,markushx/libcoap,gebart/libcoap,joaopedrotaveira/libcoap,sgso/libcoap,OlegHahm/libcoap,alexaring/libcoap,fredericgermain/libcoap,gebart/libcoap,thecodemaiden/libcoap-fork,pabigot/libcoap,pabigot/libcoap,authmillenon/libcoap,OlegHahm/libcoap,markushx/libcoap,alexaring/libcoap,nmacs/libcoap,PolymorhicCode/libcoap,authmillenon/libcoap,markushx/libcoap,authmillenon/libcoap,pabigot/libcoap,joaopedrotaveira/libcoap,gebart/libcoap,sgso/libcoap,nmacs/libcoap,nmacs/libcoap,joaopedrotaveira/libcoap,RIOT-OS/libcoap,alexaring/libcoap,OlegHahm/libcoap,fredericgermain/libcoap