message: increase appveyor shallow-clone depth
diff: @@ -41,7 +41,7 @@ before_build:
  - if "%COMPILER%"=="mingw-64" set PATH=%PATH:C:\Program Files\Git\usr\bin;=%
  - if "%COMPILER%"=="mingw-64" set PATH=C:\mingw-w64\x86_64-7.2.0-posix-seh-rt_v5-rev1\mingw64\bin;%PATH%
  - cd C:\dronecode_sdk
  - - git submodule update --init --recursive --depth 100
  + - git submodule update --init --recursive --depth 200
  - cd C:\
  build: on
  