Log Message:
graphics/lcms2: Update to 2.16

Upstream NEWS:

  New: import .CUBE files as RGB device links
  New: Read/Write MHC2 tags for Windows GPU access
  New: Support for UTF8 on multi-localized Unicode functions
  New: Support for OkLab color space, built-in and formatter.
  Improved: floating point transforms float -> integers are now
    honored as float
  Improved: MSYS2, mingw is now supported
  Improved: preferred CMM, platform and creator now survive profile
    edition.
  Fixed: tificc now can deal with Lab TIFF
  Fixed: code can now be compiled by a C++17 compiler, "register"
    keywork use is detected at compile time.
  Fixed: Reverted PostScript creation that corrupted some interpreters.
  Bug fixing & security enhancements