ofctl_v1_3: Fix unsuitable log
ofctl_v1_3: Fix unsuitable log

ofproto_v1_3.OFPGT_ALL is 0 and 0 is False on Python. When using type 'ALL', the following is set to True.

if not type_:
    LOG.debug('Unknown type: %s', group.get('type'))

Therefore, the log unsuitable is outputted:
Unknown type: ALL

Signed-off-by: Satoshi Kobayashi <7d41f65e734719a447b270760b77228d99469dae@stratosphere.co.jp>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

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