libedataserver: Enhance two-digit year parsing
/* If a 2-digit year was used we use the current century. */
if (result->tm_year < 0 && result->tm_year < -1800) {
If the year is negative, it is also less than -1800.
/* If a 2-digit year was used we use the current century. */
if (result->tm_year < 0 && result->tm_year < -1800) {
If the year is negative, it is also less than -1800.