selinux: fix misspellings using codespell tool

A typo is f out by codespell tool in 422th line of security.h:

$ codespell ./security/selinux/include/
./security.h:422: thie  ==> the, this

Fix a typo found by codespell.

Signed-off-by: Xiong Zhenwu <xiong.zhenwu@zte.com.cn>
[PM: subject line tweaks]
Signed-off-by: Paul Moore <paul@paul-moore.com>

Author: Xiong Zhenwu

security/selinux/include/security.h

@@ -419,7 +419,7 @@ extern struct page *selinux_kernel_status_page(struct selinux_state *state);
 
 #define SELINUX_KERNEL_STATUS_VERSION	1
 struct selinux_kernel_status {
-	u32	version;	/* version number of thie structure */
+	u32	version;	/* version number of the structure */
 	u32	sequence;	/* sequence number of seqlock logic */
 	u32	enforcing;	/* current setting of enforcing mode */
 	u32	policyload;	/* times of policy reloaded */