package/ustream-ssl: bump version to 68d0924
- change download url to https
- change hash of ustream-ssl.h, which is used as license file. There
are no changes to the license text, only changes in the code.
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>