** files when the header cache is in use. This incurs one \fTstat(2)\fP per
** message every time the folder is opened.
*/
-#if HAVE_GDBM || HAVE_DB4
+#if defined(HAVE_GDBM) || defined(HAVE_DB4)
{"header_cache_pagesize", DT_STR, R_NONE, UL &HeaderCachePageSize, "16384"},
/*
** .pp