https://bugs.winehq.org/show_bug.cgi?id=40865
--- Comment #3 from Adrien Fernandes adrien_fernandes2@hotmail.com --- Created attachment 54927 --> https://bugs.winehq.org/attachment.cgi?id=54927 (patched) WINEDEBUG=+winhttp,+wininit,+winsock,+teh,+sid wine Steam.exe
It didn't work with your second patch so here is the output with your first patch.