remove rtp.rs and move rtpSpawn, RTP_ID_ERROR to libc#29

Merged

n-salim merged 3 commits intomasterfrom

Sep 23, 2019

Commits on Aug 30, 2019

remove directory libstd/sys/vxworks/backtrace which is not used any more
bpangWR
committed

Commits on Sep 23, 2019