[findbugs] Add null check when closing a RevWalk in JGitUtils

James Moger

2014-04-17 87170e14d1260c722c5e534c2e405764153d5946

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

@@ -27,6 +27,8 @@

/**
 *
 * Authenticates an SSH session with username/password credentials.
 *
 * @author James Moger
 *
 */