message: In .travis.yml, fix a shell command.
diff: @@ -417,8 +417,10 @@ install:
  # Re-enable ccache on linux; enable ccache on mac os:
  - if [ $TRAVIS_OS_NAME == "linux" ]; then
  export PATH="/usr/lib/ccache:$PATH";
  - else if [ $TRAVIS_OS_NAME == "osx" ]; then
  + else
  + if [ $TRAVIS_OS_NAME == "osx" ]; then
  export PATH="/usr/local/opt/ccache/libexec:$PATH";
  + fi;
  fi
  - printf "which \$CC = "; which $CC;
  