Use [email protected] by brew

Fix #NONE

Author: Minggang Wang

.circleci/config.yml

@@ -23,7 +23,7 @@ jobs:
     - run: brew install wget cmake cppcheck tinyxml eigen pcre poco
     - run: brew install openssl
     - run: brew install asio
-    - run: brew install https://raw.githubusercontent.com/Homebrew/homebrew-core/02f04f84902937422d529945bbabdcb6491b147a/Formula/tinyxml2.rb
+    - run: brew install tinyxml2
     - run: python3 -m pip install catkin_pkg empy pyparsing pyyaml setuptools argcomplete colcon-common-extensions
     - run: mkdir -p ~/ros2_install && cd ~/ros2_install && wget https://ci.ros2.org/view/packaging/job/packaging_osx/lastSuccessfulBuild/artifact/ws/ros2-package-osx-x86_64.tar.bz2 && tar xf ros2-package-osx-x86_64.tar.bz2
     - run: wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bash