Fix NPE on PartyJoin - Fixes #653

src/main/java/com/gmail/nossr50/party/commands/PartyJoinCommand.java

@@ -76,15 +76,13 @@ public class PartyJoinCommand implements CommandExecutor {
                 sender.sendMessage(LocaleLoader.getString("Commands.DoesNotExist"));
                 return false;
             }
-        }
-
-        target = mcMMOTarget.getPlayer();
 
-        if (!target.isOnline()) {
             sender.sendMessage(LocaleLoader.getString("Party.NotOnline", targetName));
             return false;
         }
 
+        target = mcMMOTarget.getPlayer();
+
         if (!mcMMOTarget.inParty()) {
             sender.sendMessage(LocaleLoader.getString("Party.PlayerNotInParty", targetName));
             return false;