more followup (trunk only)

make the handling recognition use an int instead of string.

win/tty/wintty.c

@@ -2402,7 +2402,7 @@ int in_ch;
     register char ch = (char)in_ch;
 
 # if defined(ASCIIGRAPH) && !defined(NO_TERMS)
-    if (SYMHANDLING("IBM") || iflags.eight_bit_tty) {
+    if (SYMHANDLING(H_IBM) || iflags.eight_bit_tty) {
 	/* IBM-compatible displays don't need other stuff */
 	(void) putchar(ch);
     } else if (ch & 0x80) {