Fix an alignment issue.
Fix an alignment issue.

This was reported by Eugen-Andrei Gavriloaie and
ccaughie who also provided the fix.

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