Fix a horrible scoping/associativity bug.

`1 as $x | . | $x` didn't compile, as it was parsed as

    (1 as $x | .) | $x

where `$x` is undefined, rather than as

    1 as $x | (. | $x)

1 files changed, 1 insertions, 1 deletions

diff --git a/parser.y b/parser.y
index 59d535e6..9c234506 100644
--- a/parser.y
+++ b/parser.y
@@ -75,7 +75,7 @@ struct lexer_param;
 
  /* revolting hack */
 %left ';'
-%left '|'
+%right '|'
 %left ','
 %right "//"
 %nonassoc '=' SETPIPE SETPLUS SETMINUS SETMULT SETDIV SETDEFINEDOR