From 1a82956eaeb7ba5fde121755d0042c42c2043069 Mon Sep 17 00:00:00 2001
From: Paul Smith <psmith@gnu.org>
Date: Sun, 30 Jul 2000 18:26:42 +0000
Subject: * Various fixes; see the ChangeLog.

---
 dir.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'dir.c')

diff --git a/dir.c b/dir.c
index d783c64..c6c542c 100644
--- a/dir.c
+++ b/dir.c
@@ -159,7 +159,8 @@ vms_hash (name)
 
   while (*name)
     {
-      h = (h << 4) + (isupper (*name) ? tolower (*name) : *name);
+      unsigned char uc = *name;
+      h = (h << 4) + (isupper (uc) ? tolower (uc) : uc);
       name++;
       g = h & 0xf0000000;
       if (g)
-- 
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