message: Fix typo in CMake comments
diff: @@ -100,7 +100,7 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
  # Import CMake library targets from LLVM and Clang.
  include("${LLVM_OBJ_ROOT}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm/LLVMConfig.cmake")
  - # cmake/clang/ClangConfig.cmake is not created when LLVM and Cland are built together.
  + # cmake/clang/ClangConfig.cmake is not created when LLVM and Clang are built together.
  if (EXISTS "${LLVM_OBJ_ROOT}/lib${LLVM_LIBDIR_SUFFIX}/cmake/clang/ClangConfig.cmake")
  include("${LLVM_OBJ_ROOT}/lib${LLVM_LIBDIR_SUFFIX}/cmake/clang/ClangConfig.cmake")
  endif()
  @@ -112,7 +112,7 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
  set(CMAKE_INCLUDE_CURRENT_DIR ON)
  include_directories("${LLVM_BINARY_DIR}/include" "${LLVM_MAIN_INCLUDE_DIR}")
  # Next three include directories are needed when llvm-config is located in build directory.
  - # LLVM and Cland are assumed to be built together
  + # LLVM and Clang are assumed to be built together
  if (EXISTS "${LLVM_OBJ_ROOT}/include")
  include_directories("${LLVM_OBJ_ROOT}/include")
  endif()
  