CCBC-471: HTTP - only increment pendops once
CCBC-471: HTTP - only increment pendops once

Change-Id: I95931cbd4b1aec1fb8b0686699606058cb871203
Reviewed-on: http://review.couchbase.org/39143
Tested-by: Mark Nunberg <e7d42768707bf23038325b0b68d4b577e5f6064a@haskalah.org>
Reviewed-by: Brett Lawson <c8c4369773d7d7226e031f0c4af62e3f38a08510@gmail.com>

kojiromike/libcouchbase,mnunberg/libcouchbase,signmotion/libcouchbase,maxim-ky/libcouchbase,maxim-ky/libcouchbase,avsej/libcouchbase,mnunberg/libcouchbase,mody/libcouchbase,senthilkumaranb/libcouchbase,mnunberg/libcouchbase,couchbase/libcouchbase,kojiromike/libcouchbase,kojiromike/libcouchbase,senthilkumaranb/libcouchbase,senthilkumaranb/libcouchbase,signmotion/libcouchbase,kojiromike/libcouchbase,mnunberg/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,mnunberg/libcouchbase,signmotion/libcouchbase,avsej/libcouchbase,maxim-ky/libcouchbase,mody/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,PureSwift/libcouchbase,avsej/libcouchbase,PureSwift/libcouchbase,PureSwift/libcouchbase,couchbase/libcouchbase,mody/libcouchbase,maxim-ky/libcouchbase,signmotion/libcouchbase,PureSwift/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,senthilkumaranb/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,mody/libcouchbase,couchbase/libcouchbase