rls(k): include lib/kcore/hash_func.h

- fix warning for using core_hash() function

modules_k/rls/resource_notify.c

@@ -32,6 +32,7 @@
 #include "../../parser/parse_content.h"
 #include "../../parser/parse_from.h"
 #include "../../lib/kcore/cmpapi.h"
+#include "../../lib/kcore/hash_func.h"
 #include "../pua/hash.h"
 #include "rls.h"
 #include "notify.h"

modules_k/rls/rls.c

@@ -41,6 +41,7 @@
 #include "../../dprint.h"
 #include "../../error.h"
 #include "../../ut.h"
+#include "../../lib/kcore/hash_func.h"
 #include "../../mem/mem.h"
 #include "../../mem/shm_mem.h"
 #include "../../modules/tm/tm_load.h"