[gegl] pdf-load: use gio to transform path to uri

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

commit 75508ef5ea0454d1db570d2ffe9116da97c01343
Author: Øyvind Kolås <pippin gimp org>
Date:   Thu Feb 21 13:39:49 2019 +0100

    pdf-load: use gio to transform path to uri

 operations/external/pdf-load.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/operations/external/pdf-load.c b/operations/external/pdf-load.c
index 1caf38328..f723eb6c8 100644
--- a/operations/external/pdf-load.c
+++ b/operations/external/pdf-load.c
@@ -111,9 +111,11 @@ prepare (GeglOperation *operation)
     }
     else
     {
-      char *uri = g_strdup_printf ("file://%s", p->path); // XXX :use better API
+      GFile *file = g_file_new_for_path (p->path);
+      char *uri = g_file_get_uri (file);
       p->document = poppler_document_new_from_file (uri, password, NULL);
       g_free (uri);
+      g_object_unref (file);
     }
     p->page = NULL;
     p->page_no = -1;