add missing legacy LFS64 macros in sys/resource.h

based on patch by Felix Janda, with RLIM64_SAVED_CUR and
RLIM64_SAVED_MAX added for completeness.

include/sys/resource.h

@@ -96,6 +96,9 @@ int prlimit(pid_t, int, const struct rlimit *, struct rlimit *);
 #define RLIM_NLIMITS RLIMIT_NLIMITS
 
 #if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
+#define RLIM64_INFINITY RLIM_INFINITY
+#define RLIM64_SAVED_CUR RLIM_SAVED_CUR
+#define RLIM64_SAVED_MAX RLIM_SAVED_MAX
 #define getrlimit64 getrlimit
 #define setrlimit64 setrlimit
 #define rlimit64 rlimit