Updates from 0.2.1 into 0.2.1-inu-1.5

gc/cord/cordtest.c

@@ -14,6 +14,7 @@
 # include "cord.h"
 # include <string.h>
 # include <stdio.h>
+# include <stdlib.h>
 /* This is a very incomplete test of the cord package.  It knows about	*/
 /* a few internals of the package (e.g. when C strings are returned)	*/
 /* that real clients shouldn't rely on.					*/