fix typo that led to infinite recursion

quasilyte · quasilyte · commit fc497f942afe · 2018-06-22T22:12:04.000+03:00
diff --git a/astcopy.go b/astcopy.go
@@ -121,7 +121,7 @@ func Ellipsis(x *ast.Ellipsis) *ast.Ellipsis {
 		return nil
 	}
 	cp := *x
-	cp.Elt = copyExpr(x)
+	cp.Elt = copyExpr(x.Elt)
 	return &cp
 }
 

Original file line number	Diff line number	Diff line change
`@@ -121,7 +121,7 @@ func Ellipsis(x ast.Ellipsis) ast.Ellipsis {`
`121`	`121`	`return nil`
`122`	`122`	`}`
`123`	`123`	`cp := *x`
`124`		`- cp.Elt = copyExpr(x)`
	`124`	`+ cp.Elt = copyExpr(x.Elt)`
`125`	`125`	`return &cp`
`126`	`126`	`}`
`127`	`127`