Set CMake policy for @rpath on OS X
Set CMake policy for @rpath on OS X

This policy is not set when using CMake 2.8 as required version
Ref 2c9d9555bcb2386e14958fb0efb088ac595aacd7

chemfiles/chemfiles,chemfiles/chemfiles,lscalfi/chemfiles,lscalfi/chemfiles,lscalfi/chemfiles,chemfiles/chemfiles,lscalfi/chemfiles,Luthaf/Chemharp,Luthaf/Chemharp,Luthaf/Chemharp,chemfiles/chemfiles