[gegl] operations/transform: s/_context_get_source/_context_dup_object/

[Øyvind Kolås <ok src gnome org>]

commit 9bd432af273b1d3cfa956292dcdaa179d319c73f
Author: Øyvind Kolås <pippin gimp org>
Date:   Tue Nov 21 19:58:41 2017 +0100

    operations/transform: s/_context_get_source/_context_dup_object/

 operations/transform/transform-core.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/operations/transform/transform-core.c b/operations/transform/transform-core.c
index 44abed7..690f9af 100644
--- a/operations/transform/transform-core.c
+++ b/operations/transform/transform-core.c
@@ -1147,7 +1147,7 @@ gegl_transform_process (GeglOperation        *operation,
       gegl_matrix3_is_identity (&matrix))
     {
       /* passing straight through (like gegl:nop) */
-      input  = gegl_operation_context_get_source (context, "input");
+      input  = (GeglBuffer*)gegl_operation_context_dup_object (context, "input");
       if (!input)
         {
           g_warning ("transform received NULL input");
@@ -1169,7 +1169,7 @@ gegl_transform_process (GeglOperation        *operation,
        * TODO: Should not be taken by non-interpolatory samplers (the
        * current cubic, for example).
        */
-      input  = gegl_operation_context_get_source (context, "input");
+      input  = (GeglBuffer*) gegl_operation_context_dup_object (context, "input");
       output =
         g_object_new (GEGL_TYPE_BUFFER,
                       "source", input,
@@ -1201,7 +1201,7 @@ gegl_transform_process (GeglOperation        *operation,
       /*
        * For all other cases, do a proper resampling
        */
-      input  = gegl_operation_context_get_source (context, "input");
+      input  = (GeglBuffer*) gegl_operation_context_dup_object (context, "input");
       output = gegl_operation_context_get_target (context, "output");
 
       /* flush opencl caches, to avoid racy flushing