Added unsigned char cast of char argument to isascii() call.

diff --git a/sbr/mf.c b/sbr/mf.c
index 0336093..c886817 100644 (file)
--- a/sbr/mf.c
+++ b/sbr/mf.c
@@ -739,7 +739,7 @@ contains8bit(const char *p)
        return 0;
 
     for (; *p; p++) {
        return 0;
 
     for (; *p; p++) {

-       if (! isascii(*p))
+       if (! isascii((unsigned char) *p))

            return 1;
     }
 
            return 1;
     }