[CMake] Issues with finding raptor in the soprano build

[Laszlo Papp]

-- RAPTOR_LIBRARIES: /usr/lib/libraptor2.so
-- RAPTOR_INCLUDE_DIR: /usr/include/raptor2

and

root at Kaname:/usr/src/packages/BUILD/Build# dpkg -S /usr/lib/libraptor2.so
libraptor2-dev: /usr/lib/libraptor2.so
root at Kaname:/usr/src/packages/BUILD/Build# dpkg -S /usr/include/raptor2/raptor.h
libraptor2-dev: /usr/include/raptor2/raptor.h
root at Kaname:/usr/src/packages/BUILD/Build# dpkg -s libraptor2-dev | grep Version
Version: 2.0.4-1
root at Kaname:/usr/src/packages/BUILD/Build# grep find_package
../CMakeLists.txt | grep Raptor
  find_package(Raptor 2.0.4)
root at Kaname:/usr/src/packages/BUILD/Build#

Best Regards,
Laszlo Papp