Correct OF1.4 OFP_ACTION_HEADER_PACK_STR
Correct OF1.4 OFP_ACTION_HEADER_PACK_STR

As per parsers for earlier OF versions,
include 4 trailing bytes in the header.

Signed-off-by: Simon Horman <a105fd58f578dea0be108941d4c59d15396e1855@verge.net.au>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

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