[gegl] docs: do not include source code in json dump

[Øyvind Kolås <ok src gnome org>]

commit cec82b814cf85976a5780e9570a2acf29122fa67
Author: Øyvind Kolås <pippin gimp org>
Date:   Tue Sep 1 10:18:08 2015 +0200

    docs: do not include source code in json dump

 tools/operation_reference.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/tools/operation_reference.c b/tools/operation_reference.c
index f7f33be..88cedd2 100644
--- a/tools/operation_reference.c
+++ b/tools/operation_reference.c
@@ -489,6 +489,7 @@ main (gint argc, gchar **argv)
 
                 if (g_str_equal (keys[i], "categories") ||
                     g_str_equal (keys[i], "cl-source") ||
+                    g_str_equal (keys[i], "source") ||
                     g_str_equal (keys[i], "name")
                     )
                   continue;