COMP: include gcc 4.3

Testing/Utilities/openthreadsSimpleThreader.cpp

@@ -19,6 +19,7 @@
 #include <sys/types.h>
 #include <cassert>
 #include <cstdio>
+#include <cstdlib>
 #include <iostream>
 #include <vector>
 #include <OpenThreads/Thread>

Testing/Utilities/openthreadsWorkCrew.cpp

@@ -29,6 +29,7 @@
 #endif
 
 #include <iostream>
+#include <stdlib.h>
 #include <vector>
 #include <cassert>
 #include <cerrno>