Fix const_missing handler to ignore the trailing '.rb' on files when comparing paths.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2976 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/CHANGELOG

@@ -1,5 +1,7 @@
 *1.2.3* (November 7th, 2005)
 
+* Fix const_missing handler to ignore the trailing '.rb' on files when comparing paths. [Nicholas Seckar]
+
 * Define kernel.rb methods in "class Object" instead of "module Kernel" to work around a Windows peculiarity [Sam Stephenson]
 
 * Fix broken tests caused by incomplete loading of active support. [Nicholas Seckar]

activesupport/lib/active_support/dependencies.rb

@@ -196,7 +196,7 @@ class Module #:nodoc:
       return Object.const_get(class_id)
     rescue MissingSourceFile => e
       # Convert the exception to a NameError only if the file we are looking for is the missing one.
-      raise unless e.path == "#{file_name}.rb"
+      raise unless e.is_missing? file_name
       raise NameError.new("uninitialized constant #{class_id}").copy_blame!(e)
     end
   end