pxpcap: Fix wire size / cap size mixup
pxpcap: Fix wire size / cap size mixup

These were reversed.  Fixed.

andiwundsam/_of_normalize,chenyuntc/pox,VamsikrishnaNallabothu/pox,xAKLx/pox,kulawczukmarcin/mypox,noxrepo/pox,waltznetworks/pox,pthien92/sdn,diogommartins/pox,kulawczukmarcin/mypox,jacobq/csci5221-viro-project,adusia/pox,MurphyMc/pox,adusia/pox,MurphyMc/pox,chenyuntc/pox,PrincetonUniversity/pox,diogommartins/pox,waltznetworks/pox,pthien92/sdn,MurphyMc/pox,VamsikrishnaNallabothu/pox,PrincetonUniversity/pox,carlye566/IoT-POX,carlye566/IoT-POX,noxrepo/pox,denovogroup/pox,pthien92/sdn,jacobq/csci5221-viro-project,kavitshah8/SDNDeveloper,adusia/pox,kpengboy/pox-exercise,diogommartins/pox,kpengboy/pox-exercise,VamsikrishnaNallabothu/pox,chenyuntc/pox,jacobq/csci5221-viro-project,diogommartins/pox,pthien92/sdn,denovogroup/pox,adusia/pox,kavitshah8/SDNDeveloper,pthien92/sdn,chenyuntc/pox,kavitshah8/SDNDeveloper,kpengboy/pox-exercise,denovogroup/pox,adusia/pox,diogommartins/pox,andiwundsam/_of_normalize,jacobq/csci5221-viro-project,kulawczukmarcin/mypox,xAKLx/pox,PrincetonUniversity/pox,waltznetworks/pox,MurphyMc/pox,denovogroup/pox,waltznetworks/pox,carlye566/IoT-POX,VamsikrishnaNallabothu/pox,jacobq/csci5221-viro-project,xAKLx/pox,xAKLx/pox,kulawczukmarcin/mypox,carlye566/IoT-POX,kpengboy/pox-exercise,noxrepo/pox,denovogroup/pox,MurphyMc/pox,VamsikrishnaNallabothu/pox,kpengboy/pox-exercise,xAKLx/pox,PrincetonUniversity/pox,waltznetworks/pox,kulawczukmarcin/mypox,carlye566/IoT-POX,PrincetonUniversity/pox,andiwundsam/_of_normalize,chenyuntc/pox,kavitshah8/SDNDeveloper,andiwundsam/_of_normalize,noxrepo/pox