in_winevtlog: Initialize TZInfo correctly

Signed-off-by: Hiroshi Hatake <[email protected]>

Author: cosmo0920

plugins/in_winevtlog/pack.c

@@ -192,6 +192,8 @@ static int pack_systemtime(struct winevtlog_config *ctx, SYSTEMTIME *st)
     DYNAMIC_TIME_ZONE_INFORMATION dtzi;
     SYSTEMTIME st_local;
 
+    _tzset();
+
     GetDynamicTimeZoneInformation(&dtzi);
 
     locale = _get_current_locale();
@@ -234,6 +236,8 @@ static int pack_filetime(struct winevtlog_config *ctx, ULONGLONG filetime)
     SYSTEMTIME st;
     _locale_t locale;
 
+    _tzset();
+
     locale = _get_current_locale();
     if (locale == NULL) {
         return -1;