- Import gdtoa fix from NetBSD:

* Change Kmax so we allocate enough freelist entries to handle large field
    numbers. Reported by Maksymilian Arciemowicz
    (See also http://securityreason.com/achievement_securityalert/63)

SVN r1740 (trunk)

gdtoa/gdtoaimp.h

@@ -481,7 +481,7 @@ extern double rnd_prod(double, double), rnd_quot(double, double);
 #define FREE_DTOA_LOCK(n)	/*nothing*/
 #endif
 
-#define Kmax 15
+#define Kmax (sizeof(size_t) << 3)
 
  struct
 Bigint {