Use PBD::ffs for portability

diff --git a/gtk2_ardour/midi_channel_selector.cc b/gtk2_ardour/midi_channel_selector.cc
index 2f5ca729a6b942480d51ae963304670f181189d6..b51584aef50d1a109160a913ce62d22a22e5c31d 100644 (file)
--- a/gtk2_ardour/midi_channel_selector.cc
+++ b/gtk2_ardour/midi_channel_selector.cc
@@ -516,7 +516,7 @@ MidiChannelSelectorWindow::set_playback_selected_channels (uint16_t mask)
        case ForceChannel:
                /* only set the lowest set channel in the mask as active */
                for (uint16_t i = 0; i < 16; i++) {
-                       playback_buttons[i]->set_active (i == (ffs (mask) - 1));
+                       playback_buttons[i]->set_active (i == (PBD::ffs (mask) - 1));
                }
                break;
        }
@@ -539,7 +539,7 @@ MidiChannelSelectorWindow::set_capture_selected_channels (uint16_t mask)
        case ForceChannel:
                /* only set the lowest set channel in the mask as active */
                for (uint16_t i = 0; i < 16; i++) {
-                       capture_buttons[i]->set_active (i == (ffs (mask) - 1));
+                       capture_buttons[i]->set_active (i == (PBD::ffs (mask) - 1));
                }
                break;
        }
@@ -595,7 +595,7 @@ MidiChannelSelectorWindow::playback_mode_changed ()
        case ForceChannel:
                if (last_drawn_playback_mode == AllChannels || last_drawn_playback_mode == FilterChannels) {
                        playback_buttons.clear ();
-                       first_channel = ffs (track->get_playback_channel_mask()) - 1;
+                       first_channel = PBD::ffs (track->get_playback_channel_mask()) - 1;
                }
                for (vector<Widget*>::iterator i = playback_mask_controls.begin(); i != playback_mask_controls.end(); ++i) {
                        (*i)->set_sensitive (false);
@@ -693,7 +693,7 @@ MidiChannelSelectorWindow::capture_mode_changed ()
        case ForceChannel:
                if (last_drawn_capture_mode == AllChannels || last_drawn_capture_mode == FilterChannels) {
                        capture_buttons.clear ();
-                       first_channel = ffs (track->get_capture_channel_mask()) - 1;
+                       first_channel = PBD::ffs (track->get_capture_channel_mask()) - 1;
                }
                for (vector<Widget*>::iterator i = capture_mask_controls.begin(); i != capture_mask_controls.end(); ++i) {
                        (*i)->set_sensitive (false);