MB-15840. Check for nil pointer in getConnPools
MB-15840. Check for nil pointer in getConnPools

Change-Id: I315f1eecdc579d442d1cdb04fd20ae07870b0665
Reviewed-on: http://review.couchbase.org/53801
Reviewed-by: Colm McHugh <8eee5e0845a6cf42293b278d069100b0f23feeba@couchbase.com>
Tested-by: Manik Taneja <ab0e3979665ad7ee15da870324c623916e4596d3@couchbase.com>

nimishzynga/go-couchbase,couchbase/go-couchbase