COMP: SyncRecord coversion possible loss of data.
COMP: SyncRecord coversion possible loss of data.

  TubeTK\Base\USTK\SyncRecord.cpp(291): warning C4267: 'return' : conversion
  from 'size_t' to 'unsigned int', possible loss of data

Change-Id: Ibf3ef7fa5bdc7369c75ae2109e8bbbcd343b6046

thewtex/TubeTK,LucasGandel/TubeTK,cdeepakroy/TubeTK,KitwareMedical/TubeTK,sumedhasingla/TubeTK,LucasGandel/TubeTK,KitwareMedical/TubeTK,sumedhasingla/TubeTK,aylward/ITKTubeTK,KitwareMedical/ITKTubeTK,KitwareMedical/ITKTubeTK,thewtex/TubeTK,LucasGandel/TubeTK,matthieuheitz/TubeTK,aylward/ITKTubeTK,KitwareMedical/ITKTubeTK,matthieuheitz/TubeTK,cdeepakroy/TubeTK,KitwareMedical/ITKTubeTK,KitwareMedical/TubeTK,cdeepakroy/TubeTK,KitwareMedical/TubeTK,thewtex/TubeTK,aylward/ITKTubeTK,cdeepakroy/TubeTK,matthieuheitz/TubeTK,aylward/ITKTubeTK,matthieuheitz/TubeTK,sumedhasingla/TubeTK,LucasGandel/TubeTK,sumedhasingla/TubeTK,thewtex/TubeTK