Correct build error from libcouchbase 2.3.1 update.
Correct build error from libcouchbase 2.3.1 update.

Change-Id: Icd707fbbc9b7cba50172699cb3be9e2b1c6f11f3
Reviewed-on: http://review.couchbase.org/36974
Tested-by: Brett Lawson <c8c4369773d7d7226e031f0c4af62e3f38a08510@gmail.com>
Reviewed-by: Mark Nunberg <e7d42768707bf23038325b0b68d4b577e5f6064a@haskalah.org>
Reviewed-by: Brett Lawson <c8c4369773d7d7226e031f0c4af62e3f38a08510@gmail.com>

corbinu/couchnode,jess-sheneberger/couchnode,Bloutiouf/couchnode,jess-sheneberger/couchnode,couchbase/couchnode,KenanSulayman/couchnode,KenanSulayman/couchnode,KenanSulayman/couchnode,brett19/couchnode,ConnectedHomes/couchnode,GannettDigital/couchnode,brett19/couchnode,actano/couchnode,GannettDigital/couchnode,KenanSulayman/couchnode,couchbase/couchnode,jess-sheneberger/couchnode,Bloutiouf/couchnode,jess-sheneberger/couchnode,corbinu/couchnode,kshmir/couchnode,GannettDigital/couchnode,ConnectedHomes/couchnode,ConnectedHomes/couchnode,kshmir/couchnode,kshmir/couchnode,brett19/couchnode,couchbase/couchnode,actano/couchnode,ConnectedHomes/couchnode,actano/couchnode,Bloutiouf/couchnode,couchbase/couchnode,Bloutiouf/couchnode,corbinu/couchnode