AGI: Fix bad buffer overrun. CID 1004029
SWORD25: Fix potential buffer overrun. CID 1003865
LASTEXPRESS: Fix potential buffer overruns. Numerous CID 1003873-1003885
LASTEXPRESS: Comment out unused variable
KYRA: Fixed missing curly brackets. CID 1003639

Although I did not consult with disassembly, judging from the game
logic _unkEndSeqVar4 is used for switching certain Malcolm frames,
and it is apparent that this should happen only under condition,
not always.
SAGA: Remove unused assignment. CID 1002505
SAGA: Remove unused assignment. CID 1002506
PARALLACTION: Comment out unused assignment. CID 1002508