Add trailing / so files are installed in correct directory

cmake/cpack/CMakeLists.txt

@@ -310,7 +310,7 @@ elseif(WIN32 OR MINGW)
       FILES_MATCHING PATTERN "*${CMAKE_SHARED_LIBRARY_SUFFIX}")
     # CUDA runtime
     if((${VKFFT_BACKEND} EQUAL 1) AND CUDA_FOUND)
-      install(DIRECTORY "${CUDA_TOOLKIT_ROOT_DIR}/bin" DESTINATION "${INSTALL_LIB_DIR}"
+      install(DIRECTORY "${CUDA_TOOLKIT_ROOT_DIR}/bin/" DESTINATION "${INSTALL_LIB_DIR}"
         FILES_MATCHING PATTERN "nvrtc*${CMAKE_SHARED_LIBRARY_SUFFIX}")
     endif()