[Bug 44939] New: WININET crashes GTAV Launcher

https://bugs.winehq.org/show_bug.cgi?id=44939

Bug ID: 44939
           Summary: WININET crashes GTAV Launcher
           Product: Wine
           Version: 3.0
          Hardware: x86-64
                OS: Mac OS X
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: xinput
          Assignee: [e-mail]
          Reporter: [e-mail]

While launching GTAV from steam, steam crashes (and closes) in the background
and GTAV shows the crashing dialogue. According to
https://appdb.winehq.org/objectManager.php?sClass=version&iId=32054&...,
the crash is caused by:

fixme:wininet:HTTPREQ_ReadFile these dwFlags aren't implemented: 0x4