Fix ActionPack build on Windows: we really should not test anything regarding symlinks on Windows.

Signed-off-by: Pratik Naik <pratiknaik@gmail.com>

actionpack/test/controller/layout_test.rb

@@ -165,6 +165,7 @@ class LayoutStatusIsRenderedTest < ActionController::TestCase
   end
 end
 
+unless RUBY_PLATFORM =~ /(:?mswin|mingw|bccwin)/
   class LayoutSymlinkedTest < LayoutTest
     layout "symlinked/symlinked_layout"
   end
@@ -177,3 +178,4 @@ class LayoutSymlinkedIsRenderedTest < ActionController::TestCase
       assert_equal "layouts/symlinked/symlinked_layout", @response.layout
     end
   end
+end