Address Coveriy Warning in wal.cc for uninitalized member
Address Coveriy Warning in wal.cc for uninitalized member

CID 153113:  Uninitialized members  (UNINIT_CTOR)
Non-static class member field "cmp_info.kvs" is not initialized
in this constructor nor in any functions that it calls.

Change-Id: Ia851c4f2542df58c6d04dd5f4ed5033ed798aee2
Reviewed-on: http://review.couchbase.org/70169
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Chiyoung Seo <fcffc23db27b19ee4ebba46695ee6b50e09216a2@couchbase.com>

couchbase/forestdb,wurikiji/forestdb,couchbase/forestdb,wurikiji/forestdb