Fix in codegen: fixed compilation of unknown node: do not hardcode return variable name
...use `self retvalVar` instead
"{ Package: 'stx:goodies/petitparser/parsers/java' }"
"{ NameSpace: Smalltalk }"
PJASTNode subclass:#PJSyntaxNode
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitJava-AST'
!