getty: fix "ifdef CMSPAR"

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/loginutils/getty.c b/loginutils/getty.c
index 4dfe579..34f72c4 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -269,7 +269,7 @@
 		 * Odd parity (else even)
 		 */
 		| CSTOPB | PARENB | PARODD
-#ifdef CBAUDEX
+#ifdef CMSPAR
 		| CMSPAR  /* mark or space parity */
 #endif
 		| CBAUD   /* (output) baud rate */