[gegl] gegl-xml: When failing to resolve absolute path, pass raw input

[Jon Nordby <jonnor src gnome org>]

commit 6e9c68532b015b043799c71bdddfde90d7af2ed4
Author: Jon Nordby <jononor gmail com>
Date:   Sun Nov 9 23:26:59 2014 +0100

    gegl-xml: When failing to resolve absolute path, pass raw input

 gegl/gegl-xml.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/gegl/gegl-xml.c b/gegl/gegl-xml.c
index 19e91cf..41ca7e4 100644
--- a/gegl/gegl-xml.c
+++ b/gegl/gegl-xml.c
@@ -141,8 +141,9 @@ set_clone_prop_as_well:
                 }
               else
                 {
-                  g_warning ("Unable to obtain absolute path for parameter %s\n",
-                             param_name);
+                  g_warning ("Unable to obtain absolute path for parameter %s\n", param_name);
+                  // Attempt to set raw value, useful for '-' meaning stdin
+                  gegl_node_set (new, param_name, param_value, NULL);
                 }
             }
         }