efi_loader: unnecessary assignment in efi_queue_event

The assigned value NULL is never used.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 1f598b3..e533a18 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -208,7 +208,7 @@
  */
 static void efi_queue_event(struct efi_event *event)
 {
-	struct efi_event *item = NULL;
+	struct efi_event *item;
 
 	if (!event->notify_function)
 		return;