Fix initial call to svcraw_create

gssrpc raw services could not work because svcraw_create did not set
svcraw_private after allocating memory for it.

[ghudson@mit.edu: commit message, patch splitting]

(cherry picked from commit 5e3bf4ac6cb02601c5f10c5b2804fd5028c80119)

https://github.com/krb5/krb5/commit/b7570f5b02198984ca37c863a4527c9a6f912a17
Author: Nickolai Zeldovich <nickolai@csail.mit.edu>
Committer: Tom Yu <tlyu@mit.edu>
Commit: b7570f5b02198984ca37c863a4527c9a6f912a17
Branch: krb5-1.10
 src/lib/rpc/svc_raw.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)