Change a bunch of calls to ctype macros (those cited by Jeff, and a
few others) to cast the character values to unsigned char.

Commit By: raeburn



Revision: 18156
Changed Files:
U   trunk/src/appl/gssftp/ftp/cmds.c
U   trunk/src/appl/telnet/telnet/telnet.c
U   trunk/src/lib/kadm5/srv/server_acl.c
U   trunk/src/lib/kadm5/srv/server_misc.c
U   trunk/src/lib/krb4/kparse.c
U   trunk/src/lib/krb5/ccache/ccbase.c
U   trunk/src/lib/krb5/keytab/ktbase.c
U   trunk/src/lib/krb5/krb/conv_princ.c
U   trunk/src/lib/krb5/os/hst_realm.c
U   trunk/src/lib/krb5/os/sn2princ.c
U   trunk/src/tests/asn.1/utility.c