Log Message:
lcms2: update to 2.9

-----------------------
2.9 Maintenance release
-----------------------
Several fixes related with security, and therefore not detailed here.
C++ compiles now without warnings
Added OSX and clang in travis
Added a travis-ci test matrix for many compilers and OS. Thanks to Thomas
Weber (debian) for this great improvement.
testbed can now work with dynamic versions of library
Fixed wrong planar formatters regarding linestride interpretation