Fix CoatMux.

Author: nedtwigg

durian-swt/src/main/java/com/diffplug/common/swt/CoatMux.java

@@ -107,7 +107,7 @@ public Chit chit() {
 
 	/** Adds a persistent {@link Layer} which will be populated immediately by the given `Coat`, using `value` as the key. */
 	public <T> Layer<T> addCoat(Coat coat, @Nullable T value) {
-		return addCoat(Coat.Returning.fromNonReturning(coat, value));
+		return addCoat(Coat.Returning.Companion.fromNonReturning(coat, value));
 	}
 
 	/** Adds a persistent {@link Layer} which will be populated immediately by the given `Coat.Returning`, using the return value as the key. */
@@ -161,7 +161,7 @@ private <T> T makeTemporary(Layer<T> layer) {
 
 	/** Sets the current content of this `CoatMux`, gets disposed as soon as anything else becomes the top layer. */
 	public void setCoat(Coat coat) {
-		setCoatReturning(Coat.Returning.fromNonReturning(coat, null));
+		setCoatReturning(Coat.Returning.Companion.fromNonReturning(coat, null));
 	}
 
 	/** Sets the current content of this `CoatMux`, gets disposed as soon as anything else becomes the top layer. */