Fix several include errors with ports-gcc
Index: UtlDate.cpp
--- UtlDate.cpp.orig
+++ UtlDate.cpp
@@ -26,6 +26,8 @@ To contact the author: codeworker@free.fr
 #include <stdio.h>
 #include <math.h>
 #include <time.h>
+#include <string.h>
+#include <stdlib.h>
 
 #ifdef WIN32
 #	include <windows.h>