Make yacc and lex more pedant friendly.
diff --git a/lib/yaccpars b/lib/yaccpars
index 6e96a20..be83835 100644
--- a/lib/yaccpars
+++ b/lib/yaccpars
@@ -184,6 +184,7 @@
 				printf("%s", yystatname(yystate));
 				printf("saw %s\n", yytokname(yychar));
 			}
+		goto yyerrlab;
 yyerrlab:
 			yynerrs++;