Fix for building RocksDB Java on Mac OS X Yosemite
Correct the log message in VersionEdit

Summary:
When VersionEdit fails in kNewFile3, previously it logs "new-file2 entry".
However, it should be "new-file3 entry."

Test Plan:
make
Merge pull request #361 from adamretter/fix-yosemite-build

Fix for building RocksDB Java on Mac OS X Yosemite
Fix CompactBetweenSnapshots