[Windows] undefine DELETE macro if defined

src/printer/posprinter.h

@@ -8,6 +8,10 @@
 
 #include <libusb-1.0/libusb.h>
 
+#ifdef DELETE
+#undef DELETE
+#endif
+
 struct SupportedPrinters {
     std::array<std::tuple<int, int, int>, 2> models{
         // {Vendor ID, Model ID, Endpoint}
@@ -54,4 +58,4 @@ class PosPrinter
     int printerEndpoint_{0x03};
 };
 
-#endif
+#endif