iprutils: fix hop count defines
iprutils: fix hop count defines

The defines used to check if the hop count is 2 or 3 bits were not
defined correctly.

Signed-off-by: Kleber Sacilotto de Souza <3e92e3c568de7889d3f75db02645a8c2f2e396ca@linux.vnet.ibm.com>

leitao/iprutils