[nautilus] file-undo-operations: add plural support for strings

[Alexandru-Ionut Pandelea <alexpandelea src gnome org>]

commit 945b3e595067ca4a25c22c68d67b4b39ad039740
Author: Alexandru Pandelea <alexandru pandelea gmail com>
Date:   Tue Aug 30 21:57:52 2016 +0300

    file-undo-operations: add plural support for strings
    
    The undo and redo descriptions didn't have plural support
    
    https://bugzilla.gnome.org/show_bug.cgi?id=770594

 src/nautilus-file-undo-operations.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/src/nautilus-file-undo-operations.c b/src/nautilus-file-undo-operations.c
index e94ccfa..02508f4 100644
--- a/src/nautilus-file-undo-operations.c
+++ b/src/nautilus-file-undo-operations.c
@@ -1103,9 +1103,13 @@ batch_rename_strings_func (NautilusFileUndoInfo  *info,
 {
     NautilusFileUndoInfoBatchRename *self = NAUTILUS_FILE_UNDO_INFO_BATCH_RENAME (info);
 
-    *undo_description = g_strdup_printf (_("Batch rename '%d' files"),
+    *undo_description = g_strdup_printf (ngettext ("Batch rename %d file",
+                                                   "Batch rename %d files",
+                                                   g_list_length (self->priv->new_files)),
                                          g_list_length (self->priv->new_files));
-    *redo_description = g_strdup_printf (_("Batch rename '%d' files"),
+    *redo_description = g_strdup_printf (ngettext ("Batch rename %d file",
+                                                   "Batch rename %d files",
+                                                   g_list_length (self->priv->new_files)),
                                          g_list_length (self->priv->new_files));
 
     *undo_label = g_strdup (_("_Undo Batch Rename"));