Change std::wstring to std::string in DeviceInfo

For easier handling, we should use a std::string instead of
std::wstring for the serial number in DeviceInfo.  For the conversion, I
assume that the serial number is valid UTF-8.  As it should be
alphanumeric and ASCII only, this should be true.

1 files changed, 1 insertions, 1 deletions

diff --git a/libnitrokey/device.h b/libnitrokey/device.h
index 4b1c239..d50080d 100644
--- a/libnitrokey/device.h
+++ b/libnitrokey/device.h
@@ -92,7 +92,7 @@ struct DeviceInfo {
     /**
      * The serial number of the device.
      */
-    std::wstring m_serialNumber;
+    std::string m_serialNumber;
 };
 
 #include <atomic>