MFB: fix several leaks in date_sun*() functions

ext/date/lib/parse_tz.c

@@ -368,6 +368,7 @@ timelib_time_offset *timelib_get_time_zone_info(timelib_sll ts, timelib_tzinfo *
 timelib_sll timelib_get_current_offset(timelib_time *t)
 {
 	timelib_time_offset *gmt_offset;
+	timelib_sll retval;
 			
 	switch (t->zone_type) {
 		case TIMELIB_ZONETYPE_ABBR:
@@ -376,7 +377,9 @@ timelib_sll timelib_get_current_offset(timelib_time *t)
 			
 		case TIMELIB_ZONETYPE_ID:
 			gmt_offset = timelib_get_time_zone_info(t->sse, t->tz_info);
-			return gmt_offset->offset;
+			retval = gmt_offset->offset;
+			timelib_time_offset_dtor(gmt_offset);
+			return retval;
 
 		default:
 			return 0;

ext/date/php_date.c

@@ -1901,7 +1901,8 @@ static void php_do_date_sunrise_sunset(INTERNAL_FUNCTION_PARAMETERS, int calc_su
 
 	timelib_unixtime2local(t, time);
 	rs = timelib_astro_rise_set_altitude(t, longitude, latitude, altitude, altitude > -1 ? 1 : 0, &h_rise, &h_set, &rise, &set, &transit);
-
+	timelib_time_dtor(t);
+	
 	if (rs != 0) {
 		RETURN_FALSE;
 	}
@@ -2044,6 +2045,8 @@ PHP_FUNCTION(date_sun_info)
 			t2->sse = set;
 			add_assoc_long(return_value, "astronomical_twilight_end", timelib_date_to_int(t2, &dummy));
 	}
+	timelib_time_dtor(t);
+	timelib_time_dtor(t2);
 }
 /* }}} */
 /*