efi_loader: signature of ExitBootServices()

Consistently use efi_uintn_t as type of memory keys.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Alexander Graf <graf@amazon.com>
diff --git a/include/efi_api.h b/include/efi_api.h
index b2ae279..755c405 100644
--- a/include/efi_api.h
+++ b/include/efi_api.h
@@ -128,7 +128,8 @@
 				    efi_status_t exit_status,
 				    efi_uintn_t exitdata_size, u16 *exitdata);
 	efi_status_t (EFIAPI *unload_image)(efi_handle_t image_handle);
-	efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
+	efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t image_handle,
+						  efi_uintn_t map_key);
 
 	efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
 	efi_status_t (EFIAPI *stall)(unsigned long usecs);