[gtkhtml] Enforce including only top-level GLib and GTK+ headers.

[Matthew Barnes <mbarnes src gnome org>]

commit 06e84c886ab219d3194877d3a57690c3d6c038bb
Author: Matthew Barnes <mbarnes redhat com>
Date:   Sat Aug 8 21:49:59 2009 -0400

    Enforce including only top-level GLib and GTK+ headers.

 configure.ac |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ec79530..b0815bc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,6 +53,8 @@ AS_COMPILER_FLAGS(WARNING_FLAGS,
 	-DGDK_PIXBUF_DISABLE_DEPRECATED
 	-DGTK_DISABLE_DEPRECATED
 	-DGNOME_DISABLE_DEPRECATED
+	-DG_DISABLE_SINGLE_INCLUDES
+	-DGTK_DISABLE_SINGLE_INCLUDES
 	-Wall -Wextra
 	-Wno-missing-field-initializers
 	-Wno-sign-compare