m68m frame_pointer patch

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_6@1329 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 3 deletions

diff --git a/lib/pstore.rb b/lib/pstore.rb
index b3e1df8284..27ca0404e8 100644
--- a/lib/pstore.rb
+++ b/lib/pstore.rb
@@ -41,11 +41,10 @@ class PStore
 
   def [](name)
     in_transaction
-    value = @table[name]
-    if value == nil
+    if @table.key? name
       raise PStore::Error, format("undefined root name `%s'", name)
     end
-    value
+    @table[name]
   end
   def []=(name, value)
     in_transaction