newconfig: fix compiler warning
newconfig: fix compiler warning

Fixes the compiler warning about checking against an impossible return
value by making function return void, as the return value is constant.

Change-Id: I113fd31d702112341254825034623b3e8f5f4432
Reviewed-on: http://review.couchbase.org/71055
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>

kojiromike/libcouchbase,avsej/libcouchbase,mody/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,kojiromike/libcouchbase,avsej/libcouchbase,avsej/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,mody/libcouchbase,avsej/libcouchbase,avsej/libcouchbase,mody/libcouchbase,mody/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase