[MSIL] Do not look for the System.Serializable interface. There's no such thing

under on .NET. This should be solved platform-independently using attributes.


git-svn-id: http://lampsvn.epfl.ch/svn-repos/scala/scala/trunk@3672 5e8d7ff9-d8ef-0310-90f0-a4852d11357a

sources/scalac/symtab/Definitions.java

@@ -656,7 +656,7 @@ public class Definitions {
 	STRING_CLASS = getClass(forMSIL ? "System.String" : "java.lang.String");
         THROWABLE_CLASS =
             getClass(forMSIL ? "System.Exception" : "java.lang.Throwable");
-	SERIALIZABLE_CLASS = getClass(forMSIL ? "System.Serializable" : "java.io.Serializable");
+	SERIALIZABLE_CLASS = getClass("java.io.Serializable");
 
         // the scala value classes
         UNIT_CLASS = getClass("scala.Unit");