'posix:permissions' not supported error on Windows 7

[cnirrad]

I'm trying to use boot on a Windows 7 machine and after downloading the required jars I get the following error:

                                             Boot.main                    Boot.java: 258
                                                    ...
                                          boot.App.main                     App.java: 491
                                       boot.App.runBoot                     App.java: 399

org.projectodd.shimdandy.impl.ClojureRuntimeShimImpl.invoke ClojureRuntimeShimImpl.java: 150
org.projectodd.shimdandy.impl.ClojureRuntimeShimImpl.invoke ClojureRuntimeShimImpl.java: 159
...
boot.main/-main main.clj: 202
boot.file/tmpfile file.clj: 136
java.nio.file.Files.createTempFile
java.nio.file.TempFileHelper.createTempFile
java.nio.file.TempFileHelper.create
java.nio.file.Files.createFile
java.nio.file.Files.newByteChannel
sun.nio.fs.WindowsFileSystemProvider.newByteChannel
sun.nio.fs.WindowsSecurityDescriptor.fromAttribute
java.lang.UnsupportedOperationException: 'posix:permissions' not supported as initial attribute

[cnirrad]

Just found issue #541 which this appears to be a dupe of.