Comment 2 for bug 1507332

StacktraceTop:
 g_time_zone_get_abbreviation (tz=0x0, interval=70) at /build/glib2.0-ajuDY6/glib2.0-2.46.1/./glib/gtimezone.c:1782
 g_date_time_format_locale (datetime=<optimized out>, format=0x7f363268f31a <error: Cannot access memory at address 0x7f363268f31a>, outstr=0xa3e2e0, locale_is_utf8=<optimized out>) at /build/glib2.0-ajuDY6/glib2.0-2.46.1/./glib/gdatetime.c:2484
 g_date_time_format_locale (datetime=datetime@entry=0xad5780, format=0x41455a "", format@entry=0x414558 "%X", outstr=outstr@entry=0xa3e2e0, locale_is_utf8=locale_is_utf8@entry=1) at /build/glib2.0-ajuDY6/glib2.0-2.46.1/./glib/gdatetime.c:2459
 g_date_time_format (datetime=datetime@entry=0xad5780, format=format@entry=0x414558 "%X") at /build/glib2.0-ajuDY6/glib2.0-2.46.1/./glib/gdatetime.c:2637
 logview_update_header (logview=logview@entry=0xb52320, active=active@entry=0xc6a6e0, selected_day=selected_day@entry=0x0) at logview-window.c:204