[add empty statements after labels to get rid of gcc errors
John Meacham <john@repetae.net>**20060815145547] hunk ./C/Generate.hs 274
-label n@(Name s) = SD (StatementLabel n) $ text s <> char ':'
+label n@(Name s) = SD (StatementLabel n) $ text s <> char ':' <+> text "0;"