Very minor code cleanup

Change-Id: Ie0b97da2cce7bb93307ed49b1138bc2f36df34d0
diff --git a/gui/action.cpp b/gui/action.cpp
index 8f85e16..f7f29e8 100644
--- a/gui/action.cpp
+++ b/gui/action.cpp
@@ -1874,9 +1874,8 @@
 {
 	operation_start("Set Boot Slot");
 	if (!simulate)
-	{
 		PartitionManager.Set_Active_Slot(arg);
-	} else
+	else
 		simulate_progress_bar();
 	operation_end(0);
 	return 0;