Optional plugin callback function, called when user wants to terminate
OllyDbg. Function must return 0 if it is safe to terminate. Any
non-zero value stops termination.
not misuse this possibility. Always inform user about the reasons why
termination is not good ("You have unsaved data, OK to discard?") and
always ask for user decision. Attention, don't make any unrecoverable
actions like closing plugin windows, because some other plugin may
decide that OllyDbg should continue.
0 if OllyDbg is allowed to terminate, any non-zero value if OllyDbg should continue execution