channels: Fix exit-signal data unpacking
channels: Fix exit-signal data unpacking

Signed-off-by: Peter Volpe <3c0f0566aabf298172658453c7d6f6add8761c30@redhat.com>
Reviewed-by: Andreas Schneider <5be00ddc76278cf6077f5047ca3384a88460c671@cryptomilk.org>

sebadoom/libssh,kedazo/libssh,kedazo/libssh,pouete/libssh,pouete/libssh,nviennot/libssh,nviennot/libssh,pouete/libssh,kedazo/libssh,kedazo/libssh,nviennot/libssh,sebadoom/libssh,nviennot/libssh,pouete/libssh,sebadoom/libssh,sebadoom/libssh