svn rev #18649: trunk/src/lib/krb5/ccache/

[raeburn@MIT.EDU]

Commit By: raeburn
Log Message: 
Patch from Kevin Coffman:

- adds a function to get ccache keycount
- uses it in two places
- fixes free problem if next_cred fails
- simplifies the clearcache function by using keyctl_clear



Changed Files:
U   trunk/src/lib/krb5/ccache/cc_keyring.c