Use %d in a printf() format string and cast the argument to int instead of

using %td when we know that the number is between 0 and 9; mksyntax is a
build tool and needs to work on -stable.

bin/sh/mksyntax.c

@@ -393,7 +393,7 @@ digit_convert(void)
 		for (p = digit ; *p && *p != i ; p++);
 		if (*p == '\0')
 			p = digit;
-		fprintf(cfile, "      %td,\n", p - digit);
+		fprintf(cfile, "      %d,\n", (int)(p - digit));
 	}
 	fputs("};\n", cfile);
 }