fanotify: remove packed from access response message

Since fanotify has decided to be careful about alignment and packing
rather than rely on __attribute__((packed)) for multiarch support.
Since this attribute isn't doing anything on fanotify_response we just
drop it.  This does not break API/ABI.

Suggested-by: Tvrtko Ursulin <tvrtko.ursulin@sophos.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h
index 0f01214..bdbf9bb 100644
--- a/include/linux/fanotify.h
+++ b/include/linux/fanotify.h
@@ -96,7 +96,7 @@
 struct fanotify_response {
 	__s32 fd;
 	__u32 response;
-} __attribute__ ((packed));
+};
 
 /* Legit userspace responses to a _PERM event */
 #define FAN_ALLOW	0x01