[cogl] pipeline-layer: fix win32 build issue

[Robert Bragg <rbragg src gnome org>]

commit d3114b168a2e2252b0b1b646ed3810fc937448c6
Author: Robert Bragg <robert linux intel com>
Date:   Wed Oct 12 16:56:40 2011 +0100

    pipeline-layer: fix win32 build issue
    
    make sure to #include "cogl-texture-private.h" in cogl-pipeline-layer.c
    otherwise the build fails on win32.
    
    Reviewed-by: Neil Roberts <neil linux intel com>

 cogl/cogl-pipeline-layer.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/cogl/cogl-pipeline-layer.c b/cogl/cogl-pipeline-layer.c
index 86cf19b..1e71a06 100644
--- a/cogl/cogl-pipeline-layer.c
+++ b/cogl/cogl-pipeline-layer.c
@@ -39,6 +39,7 @@
 #include "cogl-node-private.h"
 #include "cogl-pipeline-opengl-private.h"
 #include "cogl-context-private.h"
+#include "cogl-texture-private.h"
 
 static void
 _cogl_pipeline_layer_free (CoglPipelineLayer *layer);