Add defines for MAP_NOCORE / MAP_NOSYNC so this compiles on Linux

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@3818 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/storage_persistent.c

@@ -49,6 +49,14 @@
 
 #include "persistent.h"
 
+#ifndef MAP_NOCORE
+#define MAP_NOCORE 0 /* XXX Linux */
+#endif
+
+#ifndef MAP_NOSYNC
+#define MAP_NOSYNC 0 /* XXX Linux */
+#endif
+
 /* XXX: name confusion with on-media version ? */
 struct smp_seg {
 	VTAILQ_ENTRY(smp_seg)	list;