selinux: sparse fix: fix several warnings in the security server code

Fix several sparse warnings in the SELinux security server code.

Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/security/selinux/ss/conditional.h b/security/selinux/ss/conditional.h
index 3f209c6..4d1f874 100644
--- a/security/selinux/ss/conditional.h
+++ b/security/selinux/ss/conditional.h
@@ -13,6 +13,7 @@
 #include "avtab.h"
 #include "symtab.h"
 #include "policydb.h"
+#include "../include/conditional.h"
 
 #define COND_EXPR_MAXDEPTH 10