fix ofp_event conversion messup
fix ofp_event conversion messup

Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

torufuru/oolhackathon,osrg/ryu,alyosha1879/ryu,diogommartins/ryu,fkakuma/ryu,StephenKing/summerschool-2015-ryu,Tesi-Luca-Davide/ryu,ntts-clo/mld-ryu,ttsubo/ryu,samrussell/ryu,mikhaelharswanto/ryu,StephenKing/summerschool-2015-ryu,muzixing/ryu,evanscottgray/ryu,lsqtongxin/ryu,umkcdcrg01/ryu_openflow,fujita/ryu,lzppp/mylearning,lagopus/ryu-lagopus-ext,John-Lin/ryu,pichuang/ryu,ynkjm/ryu,yamt/ryu,pichuang/ryu,StephenKing/summerschool-2015-ryu,umkcdcrg01/ryu_openflow,evanscottgray/ryu,shinpeimuraoka/ryu,StephenKing/ryu,zyq001/ryu,castroflavio/ryu,osrg/ryu,fujita/ryu,shinpeimuraoka/ryu,Tejas-Subramanya/RYU_MEC,lzppp/mylearning,iwaseyusuke/ryu,diogommartins/ryu,jalilm/ryu,fkakuma/ryu,darjus-amzn/ryu,jalilm/ryu,jkoelker/ryu,zyq001/ryu,citrix-openstack/build-ryu,sivaramakrishnansr/ryu,habibiefaried/ryu,takahashiminoru/ryu,yamt/ryu,muzixing/ryu,hisaharu/ryu,habibiefaried/ryu,ynkjm/ryu,lsqtongxin/ryu,yamada-h/ryu,gareging/SDN_Framework,ykaneko/ryu,Tejas-Subramanya/RYU_MEC,habibiefaried/ryu,yamt/ryu,openvapour/ryu,darjus-amzn/ryu,castroflavio/ryu,diogommartins/ryu,jalilm/ryu,gopchandani/ryu,gopchandani/ryu,ynkjm/ryu,takahashiminoru/ryu,fujita/ryu,yamt/ryu,sivaramakrishnansr/ryu,lsqtongxin/ryu,lsqtongxin/ryu,Zouyiran/ryu,gareging/SDN_Framework,zangree/ryu,torufuru/oolhackathon,haniehrajabi/ryu,jazzmes/ryu,iwaseyusuke/ryu,jalilm/ryu,torufuru/oolhackathon,alyosha1879/ryu,citrix-openstack-build/ryu,lzppp/mylearning,lsqtongxin/ryu,ttsubo/ryu,OpenState-SDN/ryu,Zouyiran/ryu,alanquillin/ryu,torufuru/OFPatchPanel,gareging/SDN_Framework,unifycore/ryu,Tesi-Luca-Davide/ryu,hisaharu/ryu,elahejalalpour/ELRyu,takahashiminoru/ryu,TakeshiTseng/ryu,gopchandani/ryu,zyq001/ryu,lagopus/ryu-lagopus-ext,zangree/ryu,openvapour/ryu,zangree/ryu,sivaramakrishnansr/ryu,John-Lin/ryu,fujita/ryu,gareging/SDN_Framework,lzppp/mylearning,mikhaelharswanto/ryu,osrg/ryu,takahashiminoru/ryu,ntts-clo/mld-ryu,alyosha1879/ryu,jkoelker/ryu,diogommartins/ryu,haniehrajabi/ryu,muzixing/ryu,umkcdcrg01/ryu_openflow,pichuang/ryu,Tesi-Luca-Davide/ryu,gopchandani/ryu,Tesi-Luca-Davide/ryu,lagopus/ryu-lagopus-ext,ysywh/ryu,citrix-openstack/build-ryu,elahejalalpour/ELRyu,TakeshiTseng/ryu,elahejalalpour/ELRyu,zyq001/ryu,habibiefaried/ryu,pichuang/ryu,hisaharu/ryu,Zouyiran/ryu,alanquillin/ryu,muzixing/ryu,haniehrajabi/ryu,John-Lin/ryu,osrg/ryu,OpenState-SDN/ryu,lzppp/mylearning,Zouyiran/ryu,pichuang/ryu,darjus-amzn/ryu,StephenKing/summerschool-2015-ryu,ynkjm/ryu,alanquillin/ryu,openvapour/ryu,iwaseyusuke/ryu,StephenKing/summerschool-2015-ryu,alanquillin/ryu,Tesi-Luca-Davide/ryu,lagopus/ryu-lagopus-ext,ysywh/ryu,habibiefaried/ryu,StephenKing/ryu,umkcdcrg01/ryu_openflow,shinpeimuraoka/ryu,jazzmes/ryu,OpenState-SDN/ryu,unifycore/ryu,darjus-amzn/ryu,castroflavio/ryu,TakeshiTseng/ryu,ntts-clo/ryu,o3project/ryu-oe,iwaseyusuke/ryu,lagopus/ryu-lagopus-ext,OpenState-SDN/ryu,umkcdcrg01/ryu_openflow,StephenKing/ryu,jkoelker/ryu,osrg/ryu,Tejas-Subramanya/RYU_MEC,openvapour/ryu,ysywh/ryu,haniehrajabi/ryu,zangree/ryu,haniehrajabi/ryu,alanquillin/ryu,sivaramakrishnansr/ryu,OpenState-SDN/ryu,fkakuma/ryu,John-Lin/ryu,Zouyiran/ryu,ykaneko/ryu,ynkjm/ryu,shinpeimuraoka/ryu,samrussell/ryu,citrix-openstack-build/ryu,elahejalalpour/ELRyu,yamada-h/ryu,Tejas-Subramanya/RYU_MEC,John-Lin/ryu,TakeshiTseng/ryu,torufuru/OFPatchPanel,ntts-clo/ryu,iwaseyusuke/ryu,fkakuma/ryu,o3project/ryu-oe,StephenKing/ryu,jazzmes/ryu,shinpeimuraoka/ryu,yamt/ryu,diogommartins/ryu,zangree/ryu,TakeshiTseng/ryu,hisaharu/ryu,ttsubo/ryu,evanscottgray/ryu,ysywh/ryu,ysywh/ryu,zyq001/ryu,openvapour/ryu,sivaramakrishnansr/ryu,muzixing/ryu,hisaharu/ryu,fkakuma/ryu,ttsubo/ryu,gopchandani/ryu,jalilm/ryu,fujita/ryu,alyosha1879/ryu,elahejalalpour/ELRyu,StephenKing/ryu,takahashiminoru/ryu,ttsubo/ryu,Tejas-Subramanya/RYU_MEC,gareging/SDN_Framework,darjus-amzn/ryu