make table of contents clickable

SVN-Revision: 5066

docs/openwrt.tex

@@ -1,5 +1,6 @@
 \documentclass[a4paper]{book}
 \usepackage[latin9]{inputenc}
+\usepackage[pdftex,bookmarks=true]{hyperref}
 %\usepackage[T1]{fontenc}
 \usepackage{fancyvrb}