selinux: make "selinux_policycap_names[]" const char *

Those strings aren't written.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>

security/selinux/include/security.h

@@ -81,7 +81,7 @@ enum {
 };
 #define POLICYDB_CAPABILITY_MAX (__POLICYDB_CAPABILITY_MAX - 1)
 
-extern char *selinux_policycap_names[__POLICYDB_CAPABILITY_MAX];
+extern const char *selinux_policycap_names[__POLICYDB_CAPABILITY_MAX];
 
 /*
  * type_datum properties

security/selinux/ss/services.c

@@ -71,7 +71,7 @@
 #include "audit.h"
 
 /* Policy capability names */
-char *selinux_policycap_names[__POLICYDB_CAPABILITY_MAX] = {
+const char *selinux_policycap_names[__POLICYDB_CAPABILITY_MAX] = {
 	"network_peer_controls",
 	"open_perms",
 	"extended_socket_class",