[librest] build: Replace INCLUDES with AM_CPPFLAGS

[Emmanuele Bassi <ebassi src gnome org>]

commit 5698295ab280ab2a5862c8b631ebec5f3a2a800f
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Nov 20 12:43:06 2013 +0000

    build: Replace INCLUDES with AM_CPPFLAGS
    
    INCLUDES is deprecated and should not be used in modern autotools.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=712747

 docs/reference/rest/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/docs/reference/rest/Makefile.am b/docs/reference/rest/Makefile.am
index 2553b29..beab685 100644
--- a/docs/reference/rest/Makefile.am
+++ b/docs/reference/rest/Makefile.am
@@ -71,7 +71,7 @@ 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) -I$(top_builddir) $(GLIB_CFLAGS) $(SOUP_CFLAGS) $(XML_CFLAGS)
+AM_CPPFLAGS=-I$(top_srcdir) -I$(top_builddir) $(GLIB_CFLAGS) $(SOUP_CFLAGS) $(XML_CFLAGS)
 GTKDOC_LIBS=$(top_builddir)/rest/librest- API_VERSION@.la $(top_builddir)/rest-extras/librest-extras- 
API_VERSION@.la \
            $(GLIB_LIBS) $(SOUP_LIBS) $(XML_LIBS)