off by one when checking ISO2ASC

[Urs Janßen]

here's a fix for a crash with "ISO2ASC=7 tin"

=== modified file 'src/init.c'
--- src/init.c 2013-03-05 12:52:55 +0000
+++ src/init.c 2013-08-27 12:59:00 +0000
@@ -695,7 +695,7 @@
disable_gnksa_domain_check = FALSE;
disable_sender = FALSE; /* we set force_no_post=TRUE later on if we don't have a valid FQDN */
iso2asc_supported = atoi(get_val("ISO2ASC", DEFAULT_ISO2ASC));
- if (iso2asc_supported > NUM_ISO_TABLES || iso2asc_supported < 0) /* TODO: issue a warning here? */
+ if (iso2asc_supported >= NUM_ISO_TABLES || iso2asc_supported < 0) /* TODO: issue a warning here? */
iso2asc_supported = -1;
list_active = FALSE;
newsrc_active = FALSE;