修正描述符错误：遗漏英文语言ID

Author: iamapig120

src/usblib/config/usb_desc.c

@@ -255,7 +255,7 @@ const uint8_t USBD_StringLangID[USBD_SIZE_STRING_LANGID] = {
     0x04, 0x04, // LangID = 0x0404: Chinese (Traditional, Taiwan)
     0x04, 0x14, // LangID = 0x1404: Chinese (Traditional, Macau)
     0x11, 0x04, // LangID = 0x0411: Japanese (Japan)
-                // 0x09, 0x04, // LangID = 0x0409: English (United States)
+    0x09, 0x04, // LangID = 0x0409: English (United States)
 };
 
 /* USB Device String Vendor */

src/usblib/config/usb_desc.h

@@ -48,7 +48,7 @@ extern "C" {
 
 #define USBD_NUMOF_STRING_DESC            9
 
-#define USBD_SIZE_STRING_LANGID           14
+#define USBD_SIZE_STRING_LANGID           16
 #define USBD_SIZE_STRING_VENDOR           10
 #define USBD_SIZE_STRING_PRODUCT          38
 #define USBD_SIZE_STRING_SERIAL           26