[gdl] Add version to gtk-docs.

[Johannes Schmid <jhs src gnome org>]

commit 4f2c4083b1f820729b47b5e2cb4c8006a6f443f9
Author: Yaakov Selkowitz <yselkowitz users sourceforge net>
Date:   Fri Nov 12 10:31:09 2010 -0600

    Add version to gtk-docs.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=638323

 docs/reference/Makefile.am |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/Makefile.am b/docs/reference/Makefile.am
index 4a57e2a..9adf6b2 100644
--- a/docs/reference/Makefile.am
+++ b/docs/reference/Makefile.am
@@ -11,6 +11,9 @@ AUTOMAKE_OPTIONS = 1.6
 # The name of the module, e.g. 'glib'.
 DOC_MODULE=gdl
 
+# The version of the module, e.g. '2'.
+DOC_MODULE_VERSION=3.0
+
 # The top-level SGML file. You can change this if you want to.
 DOC_MAIN_SGML_FILE=$(DOC_MODULE)-docs.sgml