session: fix comment typo
session: fix comment typo

Signed-off-by: Luka Perkov <fe6d8aafe911b69ec3eecb89e7941038c0d25a22@sartura.hr>
Reviewed-by: Andreas Schneider <5be00ddc76278cf6077f5047ca3384a88460c671@cryptomilk.org>
(cherry picked from commit 8ba94022824dadfec2b6650324a06106abaeac13)

mwgoldsmith/ssh,mwgoldsmith/libssh,mwgoldsmith/ssh,mwgoldsmith/libssh,mwgoldsmith/ssh,mwgoldsmith/libssh,mwgoldsmith/libssh,mwgoldsmith/ssh