includes: always use #import

import is an include which ensure unique inclusion
(ObjC feature)

Refs #67102

Change-Id: I16cd53c3ffcf1ab2d8f700025451c7951ed42dbf
diff --git a/AccAudioVC.h b/AccAudioVC.h
index 909248c..d6e00e5 100644
--- a/AccAudioVC.h
+++ b/AccAudioVC.h
@@ -32,7 +32,7 @@
 
 #import <Cocoa/Cocoa.h>
 
-#include <account.h>
+#import <account.h>
 
 #import "QNSTreeController.h"