Fix parser for "if <variable name> then"

wip-duuqnd/user-side-compiler/parser.lisp

@@ -295,7 +295,7 @@ parser's debug output.")
                   (peek-token))))
   (make-instance 'node-conditional
                  :source *syntax-source*
-                 :test (transform test 'node-expr)
+                 :test test
                  :then (transform then 'node)
                  :else (if (null else) nil
                            (transform else 'node))))