getenv calls.
* src/client_pty.c: Likewise.
* src/gateway.c: Likewise.
* src/lsh-keygen.c: Likewise.
* src/lsh-make-seed.c: Likewise.
* src/lsh-writekey.c: Likewise.
* src/lsh.c: Likewise.
* src/server_session.c: Likewise.
* src/server_x11.c: Likewise.
* src/srp-gen.c: Likewise.
* src/unix_random.c: Likewise.
* src/xauth.c: Likewise.

Rev: src/server_session.c:1.98
Rev: src/server_x11.c:1.16
Rev: src/srp-gen.c:1.16
Rev: src/unix_random.c:1.12
Rev: src/xauth.c:1.9