Remove overlapping strcpy.

Just use a memmove of strlen(cp).

Coverity CID 24702.

Signed-off-by: Matt Benjamin <matt@linuxbox.com>
Fix swapped sendsz and recvsz args (clnt_vc_create).

Coverity CID 24713.

Signed-off-by: Matt Benjamin <matt@linuxbox.com>
Fix lock order reversal on RPCSEC_GSS_DESTROY.

Coverity CID 24710.

Signed-off-by: Matt Benjamin <matt@linuxbox.com>