selinux: include necessary headers in headers

Include header files required for struct or typedef declarations in
header files. This is for example helpful when working with an IDE, which
needs to resolve those symbols.

Signed-off-by: Christian Göttsche <[e-mail]>
Signed-off-by: Paul Moore <[e-mail]>

security/selinux/include/audit.h

···
 #ifndef _SELINUX_AUDIT_H
 #define _SELINUX_AUDIT_H
 
+#include <linux/audit.h>
+#include <linux/types.h>
+
 /**
  *	selinux_audit_rule_init - alloc/init an selinux audit rule structure.
  *	@field: the field this rule refers to

security/selinux/include/avc_ss.h

···
 #ifndef _SELINUX_AVC_SS_H_
 #define _SELINUX_AVC_SS_H_
 
-#include "flask.h"
+#include <linux/types.h>
 
 struct selinux_avc;
 int avc_ss_reset(struct selinux_avc *avc, u32 seqno);

security/selinux/include/ibpkey.h

···
 #ifndef _SELINUX_IB_PKEY_H
 #define _SELINUX_IB_PKEY_H
 
+#include <linux/types.h>
+
 #ifdef CONFIG_SECURITY_INFINIBAND
 void sel_ib_pkey_flush(void);
 int sel_ib_pkey_sid(u64 subnet_prefix, u16 pkey, u32 *sid);

security/selinux/include/netnode.h

···
 #ifndef _SELINUX_NETNODE_H
 #define _SELINUX_NETNODE_H
 
+#include <linux/types.h>
+
 void sel_netnode_flush(void);
 
 int sel_netnode_sid(void *addr, u16 family, u32 *sid);

security/selinux/include/netport.h

···
 #ifndef _SELINUX_NETPORT_H
 #define _SELINUX_NETPORT_H
 
+#include <linux/types.h>
+
 void sel_netport_flush(void);
 
 int sel_netport_sid(u8 protocol, u16 pnum, u32 *sid);

security/selinux/include/xfrm.h

···
 #ifndef _SELINUX_XFRM_H_
 #define _SELINUX_XFRM_H_
 
+#include <linux/lsm_audit.h>
 #include <net/flow.h>
+#include <net/xfrm.h>
 
 int selinux_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
 			      struct xfrm_user_sec_ctx *uctx,