Merge branch '1098-compile-failure-on-9-11-8' into 'v9_11'

Resolve "Compile failure on 9.11.8"

See merge request isc-projects/bind9!2065

CHANGES

@@ -1,3 +1,6 @@
+5253.	[port]		Support platforms that don't define ULLONG_MAX.
+			[GL #1098]
+
 	--- 9.11.8 released ---
 
 5244.	[security]	Fixed a race condition in dns_dispatch_getnext()

lib/dns/gen.c

@@ -43,6 +43,10 @@
 #include "gen-unix.h"
 #endif
 
+#ifndef ULLONG_MAX
+#define ULLONG_MAX (~0ULL)
+#endif
+
 #define INSIST(cond) \
 	if (!(cond)) { \
 		fprintf(stderr, "%s:%d: INSIST(%s)\n", \