run_mininet: Specify the controller port
run_mininet: Specify the controller port

In the latest mininet, the default controller port has been updated
to 6653, but currently the default port of Ryu is 6633.

This patch specifies the controller port by using the constant from
Ryu ofproto module.

Signed-off-by: IWASE Yusuke <bb80e84cc9f5a8f01385872ee89032beb5d4eba7@gmail.com>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

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