efi_loader: return type efi_console_register()

Use a return type that can encompass the return value.

This fixes CoverityScan CID 184090.

Reported-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/include/efi_loader.h b/include/efi_loader.h
index 34e44c6..1417c35 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -236,7 +236,7 @@
 /* Called by bootefi to initialize runtime */
 efi_status_t efi_initialize_system_table(void);
 /* Called by bootefi to make console interface available */
-int efi_console_register(void);
+efi_status_t efi_console_register(void);
 /* Called by bootefi to make all disk storage accessible as EFI objects */
 efi_status_t efi_disk_register(void);
 /* Create handles and protocols for the partitions of a block device */