[krbdev.mit.edu #2665] leak in krb5_cc_resolve

["Jeffrey Altman [Kermit Project]" via RT]

Paul Moore via RT wrote:
> the malloc at ccbase.c:110 is redundant. The following lines do another
> malloc assigning the result to the same variable without freeing the old
> value

This bug is already fixed in the current branch but was never
pulled up to the 1-3 branch