Removed the check for the old URL fclose

The API version check suffices for supported versions in testing
with Utkarsh, and getting rid of a compile time check in favor of
an API version check is always preferable.

Change-Id: Id90ee60a924fdd59d4a6dd6a10d977b37bae5fc3
Merge topic 'ffmpeg-define' into master

46e9f2fc Removed the check for the old URL fclose
ENH: Update vtkDelaunay2D to support DesiredOutputPrecision

This updates vtkDelaunay2D to support a choice of desired precision
(default, single, or double) for output points. It uses the analogous
code in vtkThreshold as a model.

Change-Id: Ib5d9149f5bb34fc4be0b5005b0e94e38fcf5b52b