Fixes a lot of warnings by cleaning up namespace issues.

[debian/gnuradio] / gr-qtgui / src / lib / FrequencyDisplayPlot.cc

diff --git a/gr-qtgui/src/lib/FrequencyDisplayPlot.cc b/gr-qtgui/src/lib/FrequencyDisplayPlot.cc
index f2cde322efd1569f2ccaf8d1a5c46bee6fdebb5a..d150e2e4ce19dec73b334f555ba3c4d78c74494b 100644 (file)
--- a/gr-qtgui/src/lib/FrequencyDisplayPlot.cc
+++ b/gr-qtgui/src/lib/FrequencyDisplayPlot.cc
@@ -79,7 +79,8 @@ public:
   }
 
 protected:
-  virtual QwtText trackerText( const QwtDoublePoint& p ) const 
+  using QwtPlotZoomer::trackerText;
+  virtual QwtText trackerText( const QwtDoublePoint& p ) const
   {
     QwtText t(QString("%1 %2, %3 dB").
              arg(p.x(), 0, 'f', GetFrequencyPrecision()).