I found a missing trailing backslash.

Building with winsdk7 did't work  but winsdk8 did, I presume this is why.

**NOTE: this is the last time I ask anyone to pull from master... I'm still learning git and DVCS... putting it mildly, it's not a good idea to do what I'm doing, so if you wish to reject this pull request, I won't feel bad about it.**