Hide temporary files on Windows (fixes #146)

cmd/syncthing/tempname.go

@@ -1,3 +1,5 @@
+// +build !windows
+
 package main
 
 import (
@@ -21,3 +23,11 @@ func (t tempNamer) TempName(name string) string {
 	tname := fmt.Sprintf("%s.%s", t.prefix, filepath.Base(name))
 	return filepath.Join(tdir, tname)
 }
+
+func (t tempNamer) Hide(path string) error {
+	return nil
+}
+
+func (t tempNamer) Show(path string) error {
+	return nil
+}