libopenflow: Switch function def spacing
libopenflow: Switch function def spacing

I use a space separating function name from parameter list in function
definitions. Made libopenflow conform to this.

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