[gssdp] Remove deprecated build variable

[Jens Georg <jensgeorg src gnome org>]

commit 52972480f9fb993227c6055ca92b93a7c5e903c7
Author: Jens Georg <jensg openismus com>
Date:   Tue Jul 30 08:54:31 2013 +0200

    Remove deprecated build variable

 doc/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 605f29a..ee9484a 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -70,7 +70,7 @@ expand_content_files=
 # signals and properties.
 # e.g. INCLUDES=-I$(top_srcdir) -I$(top_builddir) $(GTK_DEBUG_FLAGS)
 # e.g. GTKDOC_LIBS=$(top_builddir)/gtk/$(gtktargetlib)
-INCLUDES=-I$(top_srcdir) $(LIBGSSDP_CFLAGS)
+AM_CPPFLAGS=-I$(top_srcdir) $(LIBGSSDP_CFLAGS)
 GTKDOC_LIBS=$(top_builddir)/libgssdp/libgssdp-1.0.la $(LIBGSSDP_LIBS)
 
 # This includes the standard gtk-doc make rules, copied by gtkdocize.