diff -up htmldoc-1.8.28/htmldoc/http-addrlist.c.errno htmldoc-1.8.28/htmldoc/http-addrlist.c
--- htmldoc-1.8.28/htmldoc/http-addrlist.c.errno 2011-12-30 01:41:10.000000000 -0600
+++ htmldoc-1.8.28/htmldoc/http-addrlist.c 2014-05-14 10:42:11.327247422 -0500
@@ -27,6 +27,7 @@
#ifdef HAVE_RESOLV_H
# include <resolv.h>
#endif /* HAVE_RESOLV_H */
+#include <errno.h>
/*