Fix encoding issues in resource.h

Visual Studio was complaining that this was a Mac-formatted file. And
Visual Studio and vim both agreed that this file contained malformed
UTF-16. Now it's a UTF-8 file with Windows line endings.
Fix uninitialized memory read when the .ssh directory is empty

We now don't bother checking whether the .ssh directory exists. We just
rely on FindFirstFile failing both when there is no .ssh directory and it
contains no public keys.
Merge pull request #1 from github/no-public-keys

Fix uninitialized memory read when the .ssh directory is empty