message: gitmodules: use https link for curl-android-ios
  This makes cloning of the public dependency easier.
diff: url = https://github.com/google/googletest
  [submodule "curl-android-ios"]
  path = curl-android-ios
  - url = git@github.com:gcesarmza/curl-android-ios.git
  + url = https://github.com/gcesarmza/curl-android-ios.git
  ignore = dirty
  