64bit time_t fix.

--- lib/Resource.hh.orig	Mon Jan  3 02:42:52 2005
+++ lib/Resource.hh	Mon Sep  2 04:35:21 2013
@@ -77,7 +77,9 @@ namespace bt {
     void write(const char* resource, int value);
     void write(const char* resource, unsigned int value);
     void write(const char* resource, long value);
+    void write(const char* resource, long long value);
     void write(const char* resource, unsigned long value);
+    void write(const char* resource, unsigned long long value);
     void write(const char* resource, bool value);
     void write(const char* resource, double value);