[epiphany] Enable threads for gtk-doc scanner

[Xan Lopez <xan src gnome org>]

commit 91b770eb4e9532e69272afcef687be99a2c4c966
Author: Xan Lopez <xan gnome org>
Date:   Wed Dec 30 21:18:38 2009 +0100

    Enable threads for gtk-doc scanner

 doc/reference/Makefile.am |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/doc/reference/Makefile.am b/doc/reference/Makefile.am
index ed9ae2a..d20e096 100644
--- a/doc/reference/Makefile.am
+++ b/doc/reference/Makefile.am
@@ -9,6 +9,9 @@ DOC_MAIN_SGML_FILE=$(DOC_MODULE)-docs.sgml
 # documenting functions and macros.
 DOC_SOURCE_DIR=../..
 
+# Extra options to pass to gtkdoc-scangobj. Not normally needed.
+SCANGOBJ_OPTIONS="--type-init-func=g_thread_init(NULL);g_type_init()"
+
 # Extra options to supply to gtkdoc-scan.
 SCAN_OPTIONS=