7166687: InetAddress.getLocalHost().getHostName() returns FQDN

Reviewed-by: chegar

src/solaris/native/java/net/Inet6AddressImpl.c

 /*
- * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -73,7 +73,7 @@ Java_java_net_Inet6AddressImpl_getLocalHostName(JNIEnv *env, jobject this) {
     } else {
         // ensure null-terminated
         hostname[NI_MAXHOST] = '\0';
-#if defined(__linux__) && defined(_ALLBSD_SOURCE)
+#if defined(__linux__) || defined(_ALLBSD_SOURCE)
         /* On Linux/FreeBSD gethostname() says "host.domain.sun.com".  On
          * Solaris gethostname() says "host", so extra work is needed.
          */