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