Merge pull request #5414 from Sleet01/Fix_5413_NPE_when_princess_join…

…s_game_and_gets_name_change_packet

Fix #5413: Fix improper drop-through in packet handling switch/case

megamek/src/megamek/client/AbstractClient.java

@@ -409,6 +409,7 @@ protected boolean handleGameIndependentPacket(Packet packet) {
             case SERVER_GREETING:
                 connected = true;
                 send(new Packet(PacketCommand.CLIENT_NAME, name, isBot()));
+                break;
             case SERVER_CORRECT_NAME:
                 correctName(packet);
                 break;