Add stub function implementations to support krb5_cc_remove_cred() which
would cause a null pointer dereference if called.  The new KRB5_CC_NOSUPP
error is returned to indicate the lack of implementation.


To generate a diff of this commit:



	cvs diff -r5.93 -r5.94 krb5/src/lib/krb5/ccache/ChangeLog
	cvs diff -r5.27 -r5.28 krb5/src/lib/krb5/ccache/cc_file.c
	cvs diff -r5.11 -r5.12 krb5/src/lib/krb5/ccache/cc_memory.c
	cvs diff -r5.5 -r5.6 krb5/src/lib/krb5/ccache/cc_mslsa.c
	cvs diff -r5.96 -r5.97 krb5/src/lib/krb5/error_tables/ChangeLog
	cvs diff -r5.74 -r5.75 krb5/src/lib/krb5/error_tables/krb5_err.et