sholder.hh: pragma once

diff --git a/pdns/sholder.hh b/pdns/sholder.hh
index 5a57ddc59c9e723eb7ba911a46bab71df5351bb2..75837c30f1461280db8544bc3e1662faf91116ca 100644 (file)
--- a/pdns/sholder.hh
+++ b/pdns/sholder.hh
@@ -19,6 +19,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
+#pragma once
 #include <memory>
 #include <atomic>
 #include <mutex>