Kludgily use a few unsigned chars in uxutil.c for tolower &c.

diff --git a/src/microcode/uxutil.c b/src/microcode/uxutil.c
index 2de3ff8772ad57ae026a5e5866053ab618c20f5c..029105b97baf14568272b15097ca1ddc660f933b 100644 (file)
--- a/src/microcode/uxutil.c
+++ b/src/microcode/uxutil.c
@@ -182,7 +182,7 @@ userio_choose_option (const char * herald,
       fputs (prompt, stdout);
       fflush (stdout);
       {
-       char command = (userio_read_char_raw ());
+       unsigned char command = ((unsigned char) (userio_read_char_raw ()));
        if ((command == '\0') && (errno != 0))
          return (command);
        putc ('\n', stdout);
@@ -197,7 +197,7 @@ userio_choose_option (const char * herald,
              if (choice == 0)
                break;
              {
-               char option = (*choice);
+               unsigned char option = (*choice);
                if (islower (option))
                  option = (toupper (option));
                if (command == option)