ash: fix a bug in >${varexp} handling. Closes 5282

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/ash_test/ash-redir/redirA.right b/shell/ash_test/ash-redir/redirA.right
new file mode 100644
index 0000000..31406e3
--- /dev/null
+++ b/shell/ash_test/ash-redir/redirA.right
@@ -0,0 +1,2 @@
+tmp11
+tmp11