Fix NPE on missing mods - still need to actually handle missing mods properly on client

fml/common/cpw/mods/fml/common/network/ModMissingPacket.java

@@ -1,5 +1,7 @@
 package cpw.mods.fml.common.network;
 
+import java.util.List;
+
 import net.minecraft.src.NetHandler;
 import net.minecraft.src.NetworkManager;
 
@@ -14,22 +16,24 @@ public class ModMissingPacket extends FMLPacket
     @Override
     public byte[] generatePacket(Object... data)
     {
-        // TODO Auto-generated method stub
-        return null;
+        // TODO
+        List<String> missing = (List<String>) data[0];
+        List<String> badVersion = (List<String>) data[1];
+
+        return new byte[0];
     }
 
     @Override
     public FMLPacket consumePacket(byte[] data)
     {
-        // TODO Auto-generated method stub
-        return null;
+        // TODO
+        return this;
     }
 
     @Override
     public void execute(NetworkManager network, FMLNetworkHandler handler, NetHandler netHandler, String userName)
     {
-        // TODO Auto-generated method stub
-
+        // TODO
     }
 
 }