nbench.rb in dev-2.1.154

- old
+ new

@@ -1,5 +1,6 @@
+# frozen_string_literal: true
 #
 # NuGet packages: NBench, NBench.Runner
 #
 # ./packages/NBench.Runner.1.0.1/lib/net45/NBench.Runner.exe
-#
\ No newline at end of file
+#