Fixing procedure-code and procedure-vars definitions, which were incorrectly using slots.
Fixing procedure-code and procedure-vars definitions, which were incorrectly using slots.

norton/chibi-scheme,norton/chibi-scheme,holmescn/chibi-scheme,holmescn/chibi-scheme,norton/chibi-scheme,holmescn/chibi-scheme,holmescn/chibi-scheme,holmescn/chibi-scheme,norton/chibi-scheme,norton/chibi-scheme,norton/chibi-scheme