selinux: Change bool variable name to index.

security_get_bool_value(int bool) argument "bool" conflicts with
in-kernel macros such as BUILD_BUG(). This patch changes this to
index which isn't a type.

Cc: Paul Moore <[e-mail]>
Cc: Stephen Smalley <[e-mail]>
Cc: Eric Paris <[e-mail]>
Cc: James Morris <[e-mail]>
Cc: "Serge E. Hallyn" <[e-mail]>
Cc: Rasmus Villemoes <[e-mail]>
Cc: Andrew Perepechko <[e-mail]>
Cc: Jeff Vander Stoep <[e-mail]>
Cc: [e-mail]
Cc: Eric Paris <[e-mail]>
Cc: Paul Moore <[e-mail]>
Cc: David Howells <[e-mail]>
Signed-off-by: Prarit Bhargava <[e-mail]>
Acked-by: David Howells <[e-mail]>
[PM: wrapped description for checkpatch.pl, use "selinux:..." as subj]
Signed-off-by: Paul Moore <[e-mail]>

security/selinux/include/conditional.h

···
 
 int security_set_bools(int len, int *values);
 
-int security_get_bool_value(int bool);
+int security_get_bool_value(int index);
 
 #endif

security/selinux/ss/services.c

···
 	return rc;
 }
 
-int security_get_bool_value(int bool)
+int security_get_bool_value(int index)
 {
 	int rc;
 	int len;
···
 
 	rc = -EFAULT;
 	len = policydb.p_bools.nprim;
-	if (bool >= len)
+	if (index >= len)
 		goto out;
 
-	rc = policydb.bool_val_to_struct[bool]->state;
+	rc = policydb.bool_val_to_struct[index]->state;
 out:
 	read_unlock(&policy_rwlock);
 	return rc;