set but not used warning in util/recover.c

../util/recover.c:416:9: warning: variable 'bsize' set but not used [-Wunused-but-set-variable]
  416 |     int bsize;
      |         ^~~~~

util/recover.c

@@ -417,6 +417,7 @@ exepath(char *str)
 
     if (!str)
         return (char *) 0;
+    nhUse(bsize);
     bsize = EXEPATHBUFSZ;
     tmp = exepathbuf;
 #if !defined(WIN32)