Message cleanup in ofproto_parser
Message cleanup in ofproto_parser

Minor message text cleanup.

Signed-off-by: Victor J. Orlikowski <72c670095bbd38b67036897d6da3425e0645f984@duke.edu>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

alanquillin/ryu,TakeshiTseng/ryu,zangree/ryu,fujita/ryu,zangree/ryu,hisaharu/ryu,lagopus/ryu-lagopus-ext,TakeshiTseng/ryu,pichuang/ryu,alanquillin/ryu,zangree/ryu,hisaharu/ryu,pichuang/ryu,TakeshiTseng/ryu,shinpeimuraoka/ryu,hisaharu/ryu,fujita/ryu,iwaseyusuke/ryu,lagopus/ryu-lagopus-ext,iwaseyusuke/ryu,takahashiminoru/ryu,Tejas-Subramanya/RYU_MEC,zangree/ryu,pichuang/ryu,fkakuma/ryu,habibiefaried/ryu,Tejas-Subramanya/RYU_MEC,TakeshiTseng/ryu,takahashiminoru/ryu,lagopus/ryu-lagopus-ext,fkakuma/ryu,Tejas-Subramanya/RYU_MEC,shinpeimuraoka/ryu,lagopus/ryu-lagopus-ext,osrg/ryu,osrg/ryu,TakeshiTseng/ryu,fujita/ryu,takahashiminoru/ryu,fkakuma/ryu,habibiefaried/ryu,alanquillin/ryu,fujita/ryu,osrg/ryu,pichuang/ryu,alanquillin/ryu,alanquillin/ryu,habibiefaried/ryu,gareging/SDN_Framework,fujita/ryu,gareging/SDN_Framework,fkakuma/ryu,takahashiminoru/ryu,pichuang/ryu,gareging/SDN_Framework,Tejas-Subramanya/RYU_MEC,hisaharu/ryu,iwaseyusuke/ryu,iwaseyusuke/ryu,shinpeimuraoka/ryu,gareging/SDN_Framework,shinpeimuraoka/ryu,Tejas-Subramanya/RYU_MEC,habibiefaried/ryu,iwaseyusuke/ryu,hisaharu/ryu,gareging/SDN_Framework,shinpeimuraoka/ryu,osrg/ryu,habibiefaried/ryu,takahashiminoru/ryu,fkakuma/ryu,zangree/ryu,osrg/ryu,lagopus/ryu-lagopus-ext