Fix crash in case of lua error
Fix crash in case of lua error

If the lua call triggers an error, we cannot drop the packet like as lua
can still have a reference to this object. It should be done inside lua
correctly or we need to wait for the garbage collector to run.

nabilbendafi/haka,LubyRuffy/haka,haka-security/haka,lcheylus/haka,haka-security/haka,LubyRuffy/haka,haka-security/haka,lcheylus/haka,nabilbendafi/haka,Wingless-Archangel/haka,lcheylus/haka,nabilbendafi/haka,Wingless-Archangel/haka