use new ::slaved_to() method in VCA master strip

diff --git a/gtk2_ardour/vca_master_strip.cc b/gtk2_ardour/vca_master_strip.cc
index f0e7cfac90abdb9f66b59065d9389b82cdea2a14..be7680bc06ec8edb6237430b2014137983025bdf 100644 (file)
--- a/gtk2_ardour/vca_master_strip.cc
+++ b/gtk2_ardour/vca_master_strip.cc
@@ -192,7 +192,7 @@ VCAMasterStrip::update_vca_display ()
        string label;
 
        for (VCAList::iterator v = vcas.begin(); v != vcas.end(); ++v) {
-               if (_vca->gain_control()->slaved_to ((*v)->gain_control())) {
+               if (_vca->slaved_to (*v)) {
                        if (!label.empty()) {
                                label += ' ';
                        }