Ignore new test program.

--HG--
branch : HEAD

.hgignore

diff --git a/.hgignore b/.hgignore
index 47d2182..7b7af7b 100644
--- a/.hgignore
+++ b/.hgignore
@@ -22,6 +22,7 @@
 ^regress/add_from_file$
 ^regress/add_from_filep$
 ^regress/add_from_zip$
+^regress/cp437$
 ^regress/encoding$
 ^regress/encrypt$
 ^regress/fread$