pull up fix for MITKRB5-SA-2003-003 [1393] from trunk. To generate a diff of this commit: cvs diff -r1.55.2.4.2.2 -r1.55.2.4.2.3 krb5/src/lib/rpc/ChangeLog cvs diff -r1.8 -r1.8.12.1 krb5/src/lib/rpc/xdr_mem.c