[PATCH] Clean up the regress directory with make clean

[Chris Rapier]

This patch removes the various keys and support files created during 
make tests. It might not be as compact as it could be, and I'd be happy 
to get comments on that, but it does work.

diff --git a/Makefile.in b/Makefile.in
index 70287f51f..0f1ef844d 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -296,6 +296,45 @@ clean:     regressclean
         rm -f regress/misc/sk-dummy/*.o
         rm -f regress/misc/sk-dummy/*.lo
         rm -f regress/misc/sk-dummy/sk-dummy.so
+       rm -f regress/agent-ca.pub
+       rm -f regress/agent.log
+       rm -f regress/allowed_signers
+       rm -f regress/authkeys_orig
+       rm -f regress/command
+       rm -f regress/data.2
+       rm -f regress/done
+       rm -f regress/expect_*
+       rm -f regress/host.sk-ssh-ed25519 at openssh.com
+       rm -f regress/host_*
+       rm -f regress/revoked_keys
+       rm -f regress/sigca-key
+       rm -f regress/sigca-key.pub
+       rm -f regress/sk-ssh-ed25519 at openssh.com*
+       rm -f regress/ssh-ed25519*
+       rm -f regress/ssh_output
+       rm -f regress/ssh_proxy.bak
+       rm -f regress/sshd-log-wrapper.sh
+       rm -f regress/sshd_config_minimal
+       rm -f regress/sshd_proxy_host_*
+       rm -f regress/sshsig-agent-sk-ssh-ed25519 at openssh.com*
+       rm -f regress/sshsig-agent-ssh-ed25519*
+       rm -f regress/sshsig-sk-ssh-ed25519 at openssh.com*
+       rm -f regress/sshsig-ssh-ed25519*
+       rm -f regress/user_*
+       rm -f regress/wrong-key*
+       rm -f regress/*agent*.pub
+       rm -f regress/sk-ecdsa-sha2-nistp256 at openssh.com*.pub
+       rm -f regress/ssh-dss*.pub
+       rm -f regress/ssh-rsa*.pub
+       rm -f regress/*.sig
+       rm -f regress/sk-ecdsa-sha2-nistp256 at openssh.com
+       rm -f regress/sk-ecdsa-sha2-nistp256 at openssh.com-agent-private
+       rm -f regress/ssh-dss
+       rm -f regress/ssh-dss-agent-private
+       rm -f regress/ssh-rsa
+       rm -f regress/ssh-rsa-agent-private
+       rm -f regress/ecdsa-sha2-*
+       rm -f regress/host.sk-ecdsa-sha2-nistp256 at openssh.com
         (cd openbsd-compat && $(MAKE) clean)

  distclean:     regressclean