Update build.fsx

Author: DigitalFlow

build.fsx

@@ -35,7 +35,7 @@ let sha = Git.Information.getCurrentHash()
 // version info
 let major = "3"
 let minor = "9"
-let patch = "7"
+let patch = "8"
 
 // Follow SemVer scheme: http://semver.org/
 let asmVersion = major + "." + minor + "." + patch