Fixes OSGeo#10829

Example
```
$ ogr2ogr -f LIBKML test.kml test.csv || echo "==> failed"
Warning 1: Self-intersection at or near point 0.5 0.5
ERROR 6: Invalid polygon
ERROR 1: Cannot translate feature: OGRFeature(test):-1
  id (Integer) = 1
  i (Integer) = -21121
  WKT (String) = POLYGON((0 0,1 1,1 0,0 1,0 0))
  POLYGON ((0 0,1 1,1 0,0 1,0 0))

ERROR 1: Unable to write feature 1 from layer test.
ERROR 1: Terminating translation prematurely after failed
translation of layer test (use -skipfailures to skip errors)
==> failed
```