message: third_party: get CURL using git, patch it with git
  This is required because Window doesn't know patch.
diff: @@ -35,8 +35,10 @@ endforeach()
  ExternalProject_add(
  curl
  - URL https://github.com/curl/curl/archive/curl-7_73_0.zip
  + GIT_REPOSITORY https://github.com/curl/curl.git
  + GIT_TAG curl-7_73_0
  + GIT_SHALLOW ON
  PREFIX curl
  - PATCH_COMMAND patch CMakeLists.txt < ${PROJECT_SOURCE_DIR}/curl.patch
  + PATCH_COMMAND git apply ${PROJECT_SOURCE_DIR}/curl.patch
  CMAKE_ARGS "${CMAKE_ARGS}"
  )
  