Fix MSVC warning: Invalid data: accessing 'm_DeviceName', the readable size is '6240' bytes, but '-240' bytes might be read

src/Common/Win32/XBController.cpp

@@ -1085,6 +1085,11 @@ void XBController::ReorderObjects(const char *szDeviceName, int pos)
         {
             old = v;
             break;
+        } else {
+            // If old device name was not found, do not continue
+            // int old will equal -1, which leads to an out-of-bounds
+            // memory access below
+            return;
         }
     }