Land rapid7#2974 - Recover missing code in method exists?

Author: wchen-r7

lib/msf/core/post/file.rb

@@ -98,13 +98,14 @@ def exist?(path)
       return !!(stat)
     else
       if session.platform =~ /win/
-        # XXX
+         f = cmd_exec("cmd.exe /C IF exist \"#{path}\" ( echo true )")
       else
         f = session.shell_command_token("test -e '#{path}' && echo true")
-        return false if f.nil? or f.empty?
-        return false unless f =~ /true/
-        return true
       end
+
+      return false if f.nil? or f.empty?
+      return false unless f =~ /true/
+      return true
     end
   end