fix various include errors with ports-gcc
Index: UtlDirectory.cpp
--- UtlDirectory.cpp.orig
+++ UtlDirectory.cpp
@@ -30,6 +30,8 @@ To contact the author: codeworker@free.fr
 #	include <sys/stat.h>
 #	include <unistd.h>
 #	include <glob.h>
+#	include <stdlib.h>
+#	include <string.h>
 #endif
 
 #include "UtlException.h"