Merge pull request #400 from maxd/public_constructor_of_host_entry

HostEntry constructor must be public

Author: hierynomus

src/main/java/net/schmizz/sshj/transport/verification/OpenSSHKnownHosts.java

@@ -310,7 +310,7 @@ public static class HostEntry implements KnownHostEntry {
         protected final PublicKey key;
         private final KnownHostMatchers.HostMatcher matcher;
 
-        HostEntry(Marker marker, String hostPart, KeyType type, PublicKey key) throws SSHException {
+        public HostEntry(Marker marker, String hostPart, KeyType type, PublicKey key) throws SSHException {
             this.marker = marker;
             this.hostPart = hostPart;
             this.type = type;