Fix the DS3SearchTree constructor definition to eliminate a warning on Windows.  Eliminate unnecessary "this->" references.
Fix the DS3SearchTree constructor definition to eliminate a warning
on Windows.  Eliminate unnecessary "this->" references.

SpectraLogic/ds3_browser,Klopsch/ds3_browser,SpectraLogic/ds3_browser,SpectraLogic/ds3_browser,Klopsch/ds3_browser,Klopsch/ds3_browser