count mismatch in 2i test

2i CI starts to fail after picking up the following forestdb changes from master (count mismatch problem). This test run does not have any new 2i change, and the previous 2i test pass.

Changes picked up from forestdb master
indexing is at 4a31e8d, changes since last good build: none
forestdb is at c3eb7ba, changes since last good build:
c3eb7ba MB-18747 Don't grab spinlock when decrementing a file's ref counter
923d253 MB-18846: Update minimum cmake version required
1abf325 Real Use Case Simulation with Configurable Disk behaviour
2641acc MB-18753: Retain offset of immediately deleted docs
f7c15a5 MB-18747 Get rid of locking on closing dirty index node snapshot
bf67fcb MB-18765 Abort the 2nd phase of compaction on rollback request
889f945 alloca needs include of alloca.h on Solaris

Error
2016/03/23 12:20:12 Expected scan count 110402 does not match actual scan count 110281
— FAIL: TestLargeMutations (210.99s)
common_test.go:102: Error in scan result validation: Expected scan count 110402 does not match actual scan count 110281

Test
http://ci2i.northscale.in/gsi-fdb-23.03.2016-11.34.fail.html