Fix deprecated syntax.

src/Kernel-Classes.js

@@ -2465,7 +2465,7 @@ return self;
 },
 //>>excludeStart("ide", pragmas.excludeIdeData);
 args: ["aString", "anotherString"],
-source: "named: aString package: anotherString\x0a\x09<return $core.addTrait(aString, anotherString)>",
+source: "named: aString package: anotherString\x0a\x09<inlineJS: 'return $core.addTrait(aString, anotherString)'>",
 referencedClasses: [],
 //>>excludeEnd("ide");
 messageSends: []

src/Kernel-Classes.st

@@ -586,7 +586,7 @@ asJavascript
 !Trait class methodsFor: 'instance creation'!
 
 named: aString package: anotherString
-	<return $core.addTrait(aString, anotherString)>
+	<inlineJS: 'return $core.addTrait(aString, anotherString)'>
 ! !
 
 Object subclass: #ClassBuilder