Support filenames containing characters that are not supported on Windows

[Toilal]

On NFS shared directory, creating a file with a character that is not supported by Windows filesystem fails.

touch "test>"
touch: cannot touch 'test>': Remote I/O error

java.nio.file.InvalidPathException: Illegal char <>> at index 4: test>
        at java.base/sun.nio.fs.WindowsPathParser.normalize(WindowsPathParser.java:182)
        at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:153)
        at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:77)
        at java.base/sun.nio.fs.WindowsPath.parse(WindowsPath.java:92)
        at java.base/sun.nio.fs.WindowsFileSystem.getPath(WindowsFileSystem.java:229)
        at java.base/java.nio.file.Path.resolve(Path.java:515)
        at world.gfi.nfs4j.fs.AbstractNioFileSystem.create(AbstractNioFileSystem.java:161)
        at world.gfi.nfs4j.fs.RootFileSystem.create(RootFileSystem.java:169)
        at org.dcache.nfs.vfs.PseudoFs.create(PseudoFs.java:156)
        at org.dcache.nfs.v4.OperationOPEN.process(OperationOPEN.java:153)
        at org.dcache.nfs.v4.NFSServerV41.NFSPROC4_COMPOUND_4(NFSServerV41.java:204)
        at org.dcache.nfs.v4.xdr.nfs4_prot_NFS4_PROGRAM_ServerStub.dispatchOncRpcCall(nfs4_prot_NFS4_PROGRAM_ServerStub.java:48)
        at org.dcache.oncrpc4j.rpc.RpcDispatcher$1.run(RpcDispatcher.java:110)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)