Add null check for transport. (#1536)
Add null check for transport. (#1536)


jcague/licode,lynckia/licode,lodoyun/licode,lodoyun/licode,lynckia/licode,lodoyun/licode,lodoyun/licode,jcague/licode,jcague/licode,lynckia/licode,lodoyun/licode,jcague/licode,lynckia/licode,lynckia/licode,lodoyun/licode,lynckia/licode,lynckia/licode,jcague/licode,lodoyun/licode,jcague/licode,jcague/licode