[cogl] build: Fix make distcheck

[Damien Lespiau <dlespiau src gnome org>]

commit 62b7ea59729e83605e685aeb4e9da0fd190431d5
Author: Damien Lespiau <damien lespiau intel com>
Date:   Fri May 6 17:10:42 2011 +0100

    build: Fix make distcheck
    
    Some header files were split but never included in the list of source
    files and thus not distributed.

 cogl/Makefile.am |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/cogl/Makefile.am b/cogl/Makefile.am
index 66cf1d8..0c1d767 100644
--- a/cogl/Makefile.am
+++ b/cogl/Makefile.am
@@ -103,6 +103,7 @@ cogl_driver_sources += \
 	$(srcdir)/driver/gl/cogl-feature-functions-gl.h	\
 	$(srcdir)/driver/gl/cogl-gl.c			\
 	$(srcdir)/driver/gl/cogl-texture-driver-gl.c	\
+	$(srcdir)/driver/gl/cogl-context-driver-gl.h	\
 	$(NULL)
 endif
 
@@ -111,6 +112,7 @@ cogl_driver_sources += \
 	$(srcdir)/driver/gles/cogl-feature-functions-gles.h	\
 	$(srcdir)/driver/gles/cogl-gles.c			\
 	$(srcdir)/driver/gles/cogl-texture-driver-gles.c	\
+	$(srcdir)/driver/gles/cogl-context-driver-gles.h	\
 	$(NULL)
 
 endif # COGL_DRIVER_GLES
@@ -306,6 +308,7 @@ cogl_sources_c += \
 	$(srcdir)/cogl-renderer-xlib.c \
 	$(srcdir)/cogl-display-xlib-private.h \
 	$(srcdir)/cogl-xlib.c \
+	$(srcdir)/cogl-xlib-private.h \
 	$(srcdir)/winsys/cogl-texture-pixmap-x11.c \
 	$(srcdir)/winsys/cogl-texture-pixmap-x11-private.h
 endif