Added definition of class LOOP-BODY from old component parse.lisp.
Added definition of class LOOP-BODY from old component parse.lisp.

vtomole/SICL,vtomole/SICL,clasp-developers/SICL,vtomole/SICL,clasp-developers/SICL,clasp-developers/SICL,vtomole/SICL,clasp-developers/SICL