COMP: Address %d type for VolviewPlugins.

For:

  vvITKGeodesicActiveContour.cxx:31:60: warning: format '%d' expects argument of
  type 'int', but argument 3 has type 'itk::IdentifierType {aka long unsigned
  int}' [-Wformat=]

Change-Id: I500b6ecd5face09f75186de2314387fd0f4c8701
Merge topic 'VolViewWarnings'

59c7fd9a COMP: Address %d type for VolviewPlugins.