[Bug 55026] Expose save_period as a configurable option via winecfg

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55026

--- Comment #1 from Artem S. Tashkinov  ---
Oh, I've changed the variable to 600 and it instantly overflown:

server/registry.c:125:42: warning: integer overflow in expression of type ‘int’
results in ‘-1705032704’ [-Woverflow]
  125 | static const timeout_t save_period = 600 * -TICKS_PER_SEC;  /* delay
between periodic saves */
      |