cmd: Handle cntl-c events correctly
https://bugs.winehq.org/show_bug.cgi?id=27605 describes how cntl-c is not handled well in cmd.exe, this patch allows the cntl-c to be returned in the buffer so that it can processed.
https://bugs.winehq.org/show_bug.cgi?id=27605 describes how cntl-c is not handled well in cmd.exe, this patch allows the cntl-c to be returned in the buffer so that it can processed.