Requires inputstream.adaptive and inputstream.rtmp

[awiouy]

Hello,
pvr.filmon on Kodi 17 (LibreELEC) does not stream unless inputstream.adaptive and/or inputstream.rtmp are installed.
Adding <import addon="inputstream.adaptive" version="?.?.?"/> and <import addon="inputstream.rtmp" version="?.?.?"/> to <requires> in pvr.filmon/addon.xml.in would therefore simplify installation and avoid user frustration.
I do not know which version of inputstream.adaptive and inputstream.rtmp pvr.filmon requires, otherwise I would have submitted a pull request.
Thank you for your attention
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