JSCBC-297: Do not error due to missing result object.
JSCBC-297: Do not error due to missing result object.

Change-Id: Id76008dfa9b4868dbae1df4cd3f95d32d0cd60eb
Reviewed-on: http://review.couchbase.org/63641
Reviewed-by: Mark Nunberg <dab05a0fe859c5cb93882b2a75a0d613501b07be@couchbase.com>
Tested-by: Brett Lawson <c8c4369773d7d7226e031f0c4af62e3f38a08510@gmail.com>

couchbase/couchnode,couchbase/couchnode,brett19/couchnode,couchbase/couchnode,couchbase/couchnode,brett19/couchnode,corbinu/couchnode,corbinu/couchnode,brett19/couchnode,corbinu/couchnode