message: third_party: forgot git tag for absl
diff: @@ -17,6 +17,7 @@ endforeach()
  ExternalProject_add(
  absl
  GIT_REPOSITORY https://github.com/abseil/abseil-cpp.git
  + GIT_TAG 20200225
  PREFIX absl
  PATCH_COMMAND git apply ${PROJECT_SOURCE_DIR}/no-xray-attributes.patch
  CMAKE_ARGS "${CMAKE_ARGS}"
  