doc: Add texinfo to the requirements when building from git.

* doc/contributing.texi (Building from Git): Add GNU Texinfo to the list of
  additional requirements.

diff --git a/doc/contributing.texi b/doc/contributing.texi
index d80c0d5..f855daf 100644 (file)
--- a/doc/contributing.texi
+++ b/doc/contributing.texi
@@ -27,6 +27,7 @@ the installation instructions (@pxref{Requirements}).
 @item @url{http://gnu.org/software/autoconf/, GNU Autoconf};
 @item @url{http://gnu.org/software/automake/, GNU Automake};
 @item @url{http://gnu.org/software/gettext/, GNU Gettext};
+@item @url{http://gnu.org/software/texinfo/, GNU Texinfo};
 @item @url{http://www.graphviz.org/, Graphviz};
 @item @url{http://www.gnu.org/software/help2man/, GNU Help2man (optional)}.
 @end itemize