FENNEL - Fixed LER-3727.  When splicing a singleton into a split entry,        the split wasn't being done at the correct boundary, resulting in        not enough space in the newly split entry.
FENNEL - Fixed LER-3727.  When splicing a singleton into a split entry,
       the split wasn't being done at the correct boundary, resulting in
       not enough space in the newly split entry.

[git-p4: depot-paths = "//open/lu/dev/": change = 8502]

LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb