super-intel.c: Fix resource leak from opendir()

Use closedir() on dirp from opendir() to avoid resource leaking.

Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>

super-intel.c

@@ -5686,6 +5686,7 @@ get_devices(const char *hba_path)
 			free(dv);
 		}
 	}
+	closedir(dir);
 	return devlist;
 }