message: Added Linux target library for libsndfile - fixes CI.
  Tested on Ubuntu 19.10.
diff: @@ -4,14 +4,10 @@ find_package(glfw3 CONFIG REQUIRED)
  find_package(glm CONFIG REQUIRED)
  find_package(libpng CONFIG REQUIRED)
  find_package(LibSndFile CONFIG REQUIRED)
  +find_package(OpenAL CONFIG REQUIRED)
  find_package(spdlog CONFIG REQUIRED)
  -if(WIN32)
  - find_package(openal CONFIG REQUIRED)
  -else()
  - find_package(OpenAL CONFIG REQUIRED)
  -endif()
  find_package(Doxygen QUIET)
  @@ -28,10 +24,15 @@ set(NOVELRT_LIB_LINK_LIBRARIES
  glm
  OpenAL::OpenAL
  png
  - sndfile-shared
  spdlog::spdlog
  )
  +if (WIN32)
  + set(NOVELRT_LIB_LINK_LIBRARIES ${NOVELRT_LIB_LINK_LIBRARIES} sndfile-shared)
  +else()
  + set(NOVELRT_LIB_LINK_LIBRARIES ${NOVELRT_LIB_LINK_LIBRARIES} sndfile-static)
  +endif()
  +
  # lua doesn't provide native cmake support
  find_path(LUA_INCLUDE_DIRS lua.h)
  