Fixed bad class refs.

lib/Components/ExtensionClass/doc/ExtensionClass.stx

@@ -349,7 +349,7 @@ Extension Classes, Python Extension Types Become Classes
         def __init__(self, name):
 	  self.name=name
 
-      class ECSpam(ExtensionClass.Base, Spam):
+      class ECSpam(Base, Spam):
 
         def __init__(self, name, favorite_color):
 	  Spam.__init__(self,name)
@@ -375,7 +375,7 @@ Extension Classes, Python Extension Types Become Classes
         def __init__(self, name):
 	  self.name=name
 
-      class ECSpam(ExtensionClass.Base, Spam):
+      class ECSpam(Base, Spam):
 
         def __init__(self, name, favorite_color):
 	  ECSpam.inheritedAttribute('__init__')(self,name)