[Desktop Entry]
Version=1.0
Name=MP4Client
Comment=GPAC Media Player
GenericName=Media Player
Keywords=Media Player
Exec=MP4Client -gui %u
Terminal=false
X-MultipleArgs=false
Type=Application
Icon=gpac
Categories=AudioVideo
MimeType=text/text;text/xml;application/xhtml+xml;application/xml;image/jpeg;image/png;video/webm;video/mp4;video/mpeg;audio/mp4;audio/mpeg;x-scheme-handler/rtsp;x-scheme-handler/rtp;x-scheme-handler/route
StartupNotify=true
Actions=new-window

[Desktop Action new-window]
Name=Open a New Window
Exec=MP4Client

[Desktop Entry]
Version=1.0
Name=MP4Client
Comment=GPAC Media Player
GenericName=Media Player
Keywords=Media Player
Exec=MP4Client -gui %u
Terminal=false
Type=Application
Icon=gpac
Categories=AudioVideo
MimeType=text/text;text/xml;application/xhtml+xml;application/xml;image/jpeg;image/png;video/webm;video/mp4;video/mpeg;audio/mp4;audio/mpeg;x-scheme-handler/rtsp;x-scheme-handler/rtp;x-scheme-handler/route
StartupNotify=true
Actions=new-window

[Desktop Action new-window]
Name=Open a New Window
Exec=MP4Client

Remove extra 'X-MultipleArgs' from desktop file
Remove extra 'X-MultipleArgs' from desktop file

It is not standard, and not used anywhere (the '%u' placeholder in the
'Exec' key already specifies only one optional argument is supported).
