CDUtils: Namespace code under the Common namespace

Source/Core/Common/CDUtils.h

@@ -7,8 +7,11 @@
 #include <string>
 #include <vector>
 
+namespace Common
+{
 // Returns a pointer to an array of strings with the device names
 std::vector<std::string> cdio_get_devices();
 
 // Returns true if device is cdrom/dvd
 bool cdio_is_cdrom(std::string device);
+}  // namespace Common