Rocco Rutte:

[apps/madmutt.git] / muttlib.c

diff --git a/muttlib.c b/muttlib.c
index 9924fc2..757c34f 100644 (file)
--- a/muttlib.c
+++ b/muttlib.c
@@ -1354,7 +1354,7 @@ int mutt_match_spam_list (const char *s, SPAM_LIST * l, char *text, int x)
       for (p = l->template; *p;) {
         if (*p == '%') {
           n = atoi (++p);       /* find pmatch index */
-          while (isdigit (*p))
+          while (isdigit ((unsigned char) *p))
             ++p;                /* skip subst token */
           for (i = pmatch[n].rm_so; (i < pmatch[n].rm_eo) && (tlen < x); i++)
             text[tlen++] = s[i];