Disable large file support on old glibc

On glibc <2.23 fts.h doesn't support the feature:

https://sourceware.org/bugzilla/show_bug.cgi?id=11460

src/nnn.c

@@ -28,13 +28,16 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#define _FILE_OFFSET_BITS 64 /* Support large files on 32-bit glibc */
-
 #if defined(__linux__) || defined(MINGW) || defined(__MINGW32__) \
 	|| defined(__MINGW64__) || defined(__CYGWIN__)
 #ifndef _GNU_SOURCE
 #define _GNU_SOURCE
 #endif
+#include <features.h>		/* __GLIBC__ etc */
+/* large file support on 32-bit glibc >= 2.23 where fts.h supports it */
+#if !defined(__GLIBC__) || __GLIBC__ > 2 || __GLIBC_MINOR__ >= 23
+#define _FILE_OFFSET_BITS 64
+#endif
 #if defined(__linux__)
 #include <sys/inotify.h>
 #define LINUX_INOTIFY