[Bug 48087] Firestorm viewer can't login to Second Life grid since 4.19

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=48087

--- Comment #6 from Andrew Randrianasulu  ---
Created attachment 65652
  --> https://bugs.winehq.org/attachment.cgi?id=65652
WINEDEBUG="+msvcrt,+msvcrt120" from non-working wine git

xz compressed.
Wine up to "commit 292b728908563952f56b0585d072f3d7a08e93b2"

There was wine prefix auto-update at the beginning, but main problem arises
around

0046:trace:msvcrt:MSVCRT_vsscanf_l
"https://login.agni.lindenlab.com/cgi-bin/login.cgi"
("%15[^\n/:]:%3[/]%[^\n/?#]%[^\n]")
0046:trace:msvcrt:MSVCRT_vsscanf_l returning 4
0046:trace:msvcrt:MSVCRT_vsscanf_l "login.agni.lindenlab.com"
("[%*45[0123456789abcdefABCDEF:.]%c")
0046:trace:msvcrt:MSVCRT_vsscanf_l returning 0