Fixed mistake in jsinterop for Date

Author: niloc132

gwt-core/src/main/java/org/gwtproject/core/client/JsDate.java

@@ -21,7 +21,7 @@
 
 /** A simple wrapper around a native JS Date object. */
 @Deprecated
-@JsType(isNative = true, namespace = JsPackage.GLOBAL)
+@JsType(isNative = true, name = "Date", namespace = JsPackage.GLOBAL)
 public class JsDate extends JavaScriptObject {
 
   /** Creates a new date with the current time. */