message: use gdal-sys release
diff: @@ -18,7 +18,8 @@ failure = "0.1"
  failure_derive = "0.1"
  libc = "0.2"
  geo-types = "0.1"
  -gdal-sys = { path = "gdal-sys", version = "0.2"}
  +# gdal-sys = { path = "gdal-sys", version = "0.2"}
  +gdal-sys = "0.2"
  num-traits = "0.2"
  [workspace]
  