fixed another typo

src/com/owncloud/android/ui/adapter/LocalFileListAdapter.java

@@ -120,9 +120,9 @@ public class LocalFileListAdapter extends BaseAdapter implements ListAdapter {
             }
             fileIcon.setTag(file.hashCode());
 
-            TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
+            TextView fileSizeV = (TextView) view.findViewById(R.id.last_size);
             TextView fileSizeSeparatorV = (TextView) view.findViewById(R.id.file_separator);
-            TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
+            TextView lastModV = (TextView) view.findViewById(R.id.file_mod);
             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
             if (!file.isDirectory()) {
                 fileSizeSeparatorV.setVisibility(View.VISIBLE);