updated for version 7.3.457
Problem:    When setting $VIMRUNTIME later the directory for fetching
            translated messages is not adjusted.
Solution:   Put bindtextdomain() in vim_setenv().
diff --git a/src/version.c b/src/version.c
index f47e7bd..83965f4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    457,
+/**/
     456,
 /**/
     455,