===================================================================
RCS file: /cvs/ace/ace/lib/stack.c,v
retrieving revision 1.6
retrieving revision 1.7
diff -p -u -r1.6 -r1.7
--- ace/lib/stack.c	2009/08/23 03:21:17	1.6
+++ /cvs/ace/ace/lib/stack.c	2010/05/28 17:30:24	1.7
@@ -16,6 +16,7 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <unistd.h>