Update to Rack v1 API

src/VCA.cpp

@@ -144,7 +144,7 @@ struct VCA_1VUKnob : SliderKnob {
 				nvgFill(args.vg);
 			}
 			if (segAmplitude > 0.f) {
-				nvgFillColor(args.vg, color::alpha(component::GREEN, segAmplitude));
+				nvgFillColor(args.vg, color::alpha(SCHEME_GREEN, segAmplitude));
 				nvgFill(args.vg);
 			}
 		}

src/plugin.hpp

@@ -1,5 +1,4 @@
 #include "rack.hpp"
-#include "component.hpp"
 
 
 using namespace rack;