Bug 1983 residual - A better fix for the residual.

The previous fix did not handle the case of the mixer toolbar being smaller than its minimum size.
The new fix does, and the code is simpler.

src/toolbars/MixerToolBar.cpp

@@ -165,20 +165,21 @@ void MixerToolBar::UpdatePrefs()
 
    // Show or hide the input slider based on whether it works
    mInputSlider->Enable(gAudioIO->InputMixerWorks());
-   wxSize oldSize( GetSize() );
+   Layout();
 
+// This code is from before the mixer toolbar was resizable.
+// Now that it is resizable we trust the user to resize the mixer toolbar themselves.
+#if 0
+   wxSize oldSize( GetSize() );
    // Layout the toolbar
    Layout();
-
    // Resize the toolbar to fit the contents
    //Fit();
-
    // And make that size the minimum
    wxSize newMinSize( wxWindow::GetSizer()->GetMinSize() );
    SetMinSize( newMinSize  );
-
    // IF size must increase, do so.
-   if( newMinSize.y > oldSize.y ){
+   if( newMinSize.x > oldSize.x ){
       SetSize( newMinSize );
       // Notify someone that we've changed our size
       Updated();
@@ -186,6 +187,7 @@ void MixerToolBar::UpdatePrefs()
    // ELSE preserve original size.
    else
       SetSize( oldSize );
+#endif
 #endif
 
    // Set label to pull in language change