Smack: Clean up comments

There are a number of comments in the Smack code that
are either malformed or include code. This patch cleans
them up.

Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
diff --git a/security/smack/smack.h b/security/smack/smack.h
index 174d3be..9da2b2d 100644
--- a/security/smack/smack.h
+++ b/security/smack/smack.h
@@ -156,7 +156,6 @@
 
 /*
  * smackfs magic number
- * smackfs macic number
  */
 #define SMACK_MAGIC	0x43415d53 /* "SMAC" */
 
@@ -182,9 +181,9 @@
 #define MAY_NOT		0
 
 /*
- * Number of access types used by Smack (rwxa)
+ * Number of access types used by Smack (rwxat)
  */
-#define SMK_NUM_ACCESS_TYPE 4
+#define SMK_NUM_ACCESS_TYPE 5
 
 /*
  * Smack audit data; is empty if CONFIG_AUDIT not set