Unlinking a the wrong var

[sharpchi]

The following line is trying to unlink($path), which doesn't exist.

h5p-php-library/h5p.classes.php

Line 965 in b5f527e

unlink($path);

I suspect it should be unlink($tmpPath)

------ --------------------------------------------------------------------------------------------- 
  Line   web/html/mod/hvp/library/h5p.classes.php                                                     
 ------ --------------------------------------------------------------------------------------------- 
  958    Undefined variable: $path                                                                    
 ------ ---------------------------------------------------------------------------------------------