Catch some potential NPEs

James Moger

2015-11-18 def01db5f7dc1c607026528eed1dfd75c6e59779

 src/main/java/com/gitblit/transport/ssh/SshKeyAuthenticator.java

@@ -19,7 +19,7 @@
import java.util.List;
import java.util.Locale;

import org.apache.sshd.server.PublickeyAuthenticator;
import org.apache.sshd.server.auth.pubkey.PublickeyAuthenticator;
import org.apache.sshd.server.session.ServerSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;