Check for pidDir and create

nixos/modules/services/networking/gateone.nix

@@ -36,8 +36,10 @@ config = mkIf cfg.enable {
     preStart = ''
       if [ ! -d ${cfg.settingsDir} ] ; then
         mkdir -m 0750 -p ${cfg.settingsDir}
-        mkdir -m 0750 -p ${cfg.pidDir}
         chown -R gateone.gateone ${cfg.settingsDir}
+      fi
+      if [ ! -d ${cfg.pidDir} ] ; then
+        mkdir -m 0750 -p ${cfg.pidDir}
         chown -R gateone.gateone ${cfg.pidDir}
       fi
       '';