[rygel] media-export: Add missing translation

[Jens Georg <jensgeorg src gnome org>]

commit 0c14f76f02639ca173f6d31d88a5b4c8b121bb81
Author: Jens Georg <mail jensge org>
Date:   Fri Feb 14 00:29:40 2020 +0100

    media-export: Add missing translation

 src/plugins/media-export/rygel-media-export-harvesting-task.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/plugins/media-export/rygel-media-export-harvesting-task.vala 
b/src/plugins/media-export/rygel-media-export-harvesting-task.vala
index 0a28acc9..c22c9733 100644
--- a/src/plugins/media-export/rygel-media-export-harvesting-task.vala
+++ b/src/plugins/media-export/rygel-media-export-harvesting-task.vala
@@ -342,7 +342,7 @@ public class Rygel.MediaExport.HarvestingTask : Rygel.StateMachine,
                 }
             }
         } catch (Error error) {
-            warning (/*_*/"Failed to extract meta-data for file %s",
+            warning (_("Failed to extract meta-data for file %s"),
                      error.message);
         }