On RHEL8, openssl1.x.x is default, and openssl3 pc files
are with the suffix "3", so FFmpeg cannot find them.
The patch fixes pc files so that ffmpeg can find them.
Task-number: QTBUG-130257
Change-Id: I5a95daae0a78aadede109535b2823483bfcbc09d
Reviewed-by: Tim Blechmann <[email protected]>
Reviewed-by: Pavel Dubsky <[email protected]>
Reviewed-by: Jøger Hansegård <[email protected]>
(cherry picked from commit 6cd74e132a)
Reviewed-by: Qt Cherry-pick Bot <[email protected]>