talkback: fix share status on share icon in file list

src/main/java/com/owncloud/android/ui/adapter/OCFileListAdapter.java

@@ -472,7 +472,7 @@ public class OCFileListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHol
         
         if (file.isSharedWithSharee() || file.isSharedWithMe()) {
             sharedIconView.setImageResource(R.drawable.shared_via_users);
-            sharedIconView.setContentDescription(mContext.getString(R.string.shared_icon_share));
+            sharedIconView.setContentDescription(mContext.getString(R.string.shared_icon_shared));
         } else if (file.isSharedViaLink()) {
             sharedIconView.setImageResource(R.drawable.shared_via_link);
             sharedIconView.setContentDescription(mContext.getString(R.string.shared_icon_shared_via_link));