Fix one remaining #pragma pack()
Fix one remaining #pragma pack()

Somehow I missed this in my previous patch.

weinrank/usrsctp,sctplab/usrsctp,faithfracture/usrsctp,faithfracture/usrsctp,JlnWntr/usrsctp,CoolmanCZ/usrsctp,sctplab/usrsctp,faithfracture/usrsctp,JlnWntr/usrsctp,weinrank/usrsctp,CoolmanCZ/usrsctp,weinrank/usrsctp,JlnWntr/usrsctp,sctplab/usrsctp,CoolmanCZ/usrsctp,CoolmanCZ/usrsctp