[PATCH 0/1] MR2689: findstr: Add basic functionality.

[Zhiyi Zhang (＠zhiyi)]

Company of Heroes: Battle of Crete needs a functioning findstr.exe to exit properly.
Freemake Video Converter 4.1 installer also needs this.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=35254