Making sure java exception acccess is consistent wrt quotes.

This makes sure if JsCompiler runs over GWT generated code, all the proprerty accesses are renamed consistently.

Change-Id: I71e5aa1c6ee33fd18eb05f11e9b238d9b5ca24af
diff --git a/dev/core/super/com/google/gwt/dev/jjs/intrinsic/com/google/gwt/lang/Exceptions.java b/dev/core/super/com/google/gwt/dev/jjs/intrinsic/com/google/gwt/lang/Exceptions.java
index eb90822..dd947f9 100644
--- a/dev/core/super/com/google/gwt/dev/jjs/intrinsic/com/google/gwt/lang/Exceptions.java
+++ b/dev/core/super/com/google/gwt/dev/jjs/intrinsic/com/google/gwt/lang/Exceptions.java
@@ -48,7 +48,7 @@
   }-*/;
 
   private static native Throwable getJavaException(Object e)/*-{
-    return e && e["__java$exception"];
+    return e && e.__java$exception;
   }-*/;
 
   static AssertionError makeAssertionError() {