some api optimization

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@9080 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 3 insertions, 3 deletions

diff --git a/src/qmmpui/playlistitem.h b/src/qmmpui/playlistitem.h
index 21403beed..3432702fd 100644
--- a/src/qmmpui/playlistitem.h
+++ b/src/qmmpui/playlistitem.h
@@ -52,16 +52,16 @@ public:
      * Returns formatted title of the item.
      * @param column Number of column.
      */
-    virtual const QString formattedTitle(int column) = 0;
+    virtual QString formattedTitle(int column) = 0;
     /*!
      * Returns the list of the formatted titles for all columns.
      * Group separators contain only one title.
      */
-    virtual const QStringList formattedTitles() = 0;
+    virtual QStringList formattedTitles() = 0;
     /*!
      *  Returns formatted length of the item.
      */
-    virtual const QString formattedLength() = 0;
+    virtual QString formattedLength() = 0;
     /*!
      * Returns \b true if the \b PlayListItem is group separator. Otherwise returns \b false.
      */