Revert "Bug in channel implementation fixed"
Revert "Bug in channel implementation fixed"

This reverts commit 4608d6c8ff102559ddf83e7f6b07657fb50f7a6e.

sustrik/libdill,pskocik/libdill,sustrik/libdill,pskocik/libdill,sustrik/libdill,pskocik/libdill,sustrik/libdill