Fix the boot issue with old UEFI version firmware when secure boot is disabled.

EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/VtoyShim/VtoyShim.h

@@ -66,19 +66,21 @@ typedef struct _SHIM_IMAGE_LOADER {
 	EFI_IMAGE_UNLOAD UnloadImage;
 } SHIM_IMAGE_LOADER;
 
-typedef VOID (*unhook_system_services_pf)(VOID);
+typedef VOID (*shim_void_func_pf)(VOID);
 
 
 /*
  * The two offset here are extract from the shim file which used in Ventoy.
  * nm BOOTX64.EFI | grep shim_load_image
  * nm BOOTX64.EFI | grep unhook_system_services
+ * nm BOOTX64.EFI | grep uninstall_shim_protocols
  *
  * It means that they must be updated every time Ventoy update the shim file.
  *
  */
 #define NM_SHIM_LOAD_IMAGE_OFFSET             0x2dc12
 #define NM_UNHOOK_SYSTEM_SERVICES_OFFSET      0x2e278
+#define NM_UNINSTALL_SHIM_PROTOCOLS_OFFSET    0x26264
 
 
 
@@ -95,15 +97,6 @@ do { \
     }\
 } while (0)
 
-#define CheckBSFreePool(p) \
-do { \
-    if (p) { \
-        gBS->FreePool(p); \
-        (p) = NULL; \
-    }\
-} while (0)
-
-
 
 #define VTOY_SHIM_POLICY_GUID    {0x90a29d14, 0x3968, 0x48fe, { 0x85, 0x81, 0x6b, 0x7f, 0x7d, 0xc4, 0x70, 0x55 }};