[cogl] build: add missing header to fix make dist

[Rico Tzschichholz <ricotz src gnome org>]

commit 567661ccf3dfadeaa702c73bf2167a202026281b
Author: Rico Tzschichholz <ricotz t-online de>
Date:   Wed Nov 2 07:34:26 2011 -0400

    build: add missing header to fix make dist

 cogl/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/cogl/Makefile.am b/cogl/Makefile.am
index 995264e..ae02d86 100644
--- a/cogl/Makefile.am
+++ b/cogl/Makefile.am
@@ -308,6 +308,7 @@ cogl_sources_c = \
 	$(srcdir)/cogl-journal.c			\
 	$(srcdir)/cogl-framebuffer-private.h		\
 	$(srcdir)/cogl-framebuffer.c 			\
+	$(srcdir)/cogl-onscreen-private.h		\
 	$(srcdir)/cogl-onscreen.c 			\
 	$(srcdir)/cogl-profile.h 			\
 	$(srcdir)/cogl-profile.c 			\