[gegl] transform: fix build with moved internal headers

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 6f5df0c023055922e62241b344cd88121132dabb
Author: Øyvind Kolås <pippin gimp org>
Date:   Mon Sep 10 14:33:46 2018 +0200

    transform: fix build with moved internal headers

 operations/transform/transform-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/operations/transform/transform-core.c b/operations/transform/transform-core.c
index f22181145..062a05813 100644
--- a/operations/transform/transform-core.c
+++ b/operations/transform/transform-core.c
@@ -31,7 +31,7 @@
 #include <gegl.h>
 #include <gegl-plugin.h>
 
-#include "buffer/gegl-buffer-cl-cache.h"
+#include "opencl/gegl-buffer-cl-cache.h"
 
 #include "gegl-config.h"