--- boost/date_time/gregorian/conversion.hpp	2009-06-06 13:27:35.000000000 +0200
+++ boost/date_time/gregorian/conversion.hpp	2009-09-22 14:33:39.286816424 +0200
@@ -41,7 +41,7 @@
         boost::throw_exception(std::out_of_range(s));
     }
 
-    std::tm datetm = {}; // zero initialization is needed for extension members, like tm_zone
+    std::tm datetm = {0,0,0,0,0,0,0,0,0,0,0}; // zero initialization is needed for extension members, like tm_zone
     boost::gregorian::date::ymd_type ymd = d.year_month_day();
     datetm.tm_year = ymd.year - 1900;
     datetm.tm_mon = ymd.month - 1;
--- boost/date_time/posix_time/conversion.hpp	2009-06-04 10:24:49.000000000 +0200
+++ boost/date_time/posix_time/conversion.hpp	2009-09-22 14:35:37.835244718 +0200
@@ -42,7 +42,7 @@
   //! Convert a time_duration to a tm structure truncating any fractional seconds and zeroing fields for date components 
   inline
   std::tm to_tm(const boost::posix_time::time_duration& td) {
-    std::tm timetm = {};
+    std::tm timetm = {0,0,0,0,0,0,0,0,0,0,0};
     timetm.tm_hour = date_time::absolute_value(td.hours());
     timetm.tm_min = date_time::absolute_value(td.minutes());
     timetm.tm_sec = date_time::absolute_value(td.seconds());