FreeBSD: don't use v_cache_min/max (hyperic#68)

Author: Justin Baugh

src/os/darwin/darwin_sigar.c

@@ -400,8 +400,10 @@ static int sigar_vmstat(sigar_t *sigar, struct vmmeter *vmstat)
     GET_VM_STATS(vm, v_inactive_target, 0);
     GET_VM_STATS(vm, v_inactive_count, 1);
     GET_VM_STATS(vm, v_cache_count, 1);
-    GET_VM_STATS(vm, v_cache_min, 0);
-    GET_VM_STATS(vm, v_cache_max, 0);
+#if (__FreeBSD_version < 1100079)
+     GET_VM_STATS(vm, v_cache_min, 0);
+     GET_VM_STATS(vm, v_cache_max, 0);
+#endif
     GET_VM_STATS(vm, v_pageout_free_min, 0);
     GET_VM_STATS(vm, v_interrupt_free_min, 0);
     GET_VM_STATS(vm, v_forks, 0);