[cogl] Add -I$(top_builddir) to the cogl-gst doc include flags

[Neil Roberts <nroberts src gnome org>]

commit 70054199e983c51ff2e37b427c2a684dfc7b83ed
Author: Neil Roberts <neil linux intel com>
Date:   Wed Jul 3 11:59:10 2013 +0100

    Add -I$(top_builddir) to the cogl-gst doc include flags
    
    Otherwise make distcheck fails
    
    Reviewed-by: Robert Bragg <robert linux intel com>

 doc/reference/cogl-gst/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/doc/reference/cogl-gst/Makefile.am b/doc/reference/cogl-gst/Makefile.am
index 80f07b9..bcabf2f 100644
--- a/doc/reference/cogl-gst/Makefile.am
+++ b/doc/reference/cogl-gst/Makefile.am
@@ -82,7 +82,7 @@ expand_content_files=\
 
 AM_CPPFLAGS=\
        -I$(top_srcdir) \
-       -I$(top_builddir)/cogl \
+       -I$(top_builddir) \
        -DCOGL_ENABLE_EXPERIMENTAL_API \
        $(COGL_DEP_CFLAGS) \
        $(COGL_GST_DEP_CFLAGS)