[#1256] fixed compilation

diff --git a/src/lib/dhcpsrv/tests/shared_network_unittest.cc b/src/lib/dhcpsrv/tests/shared_network_unittest.cc
index 4726c15cedbe757b9801efe1ad150d1d7898893b..ec93caddd820565eeccb95af676a0d737f4ed98b 100644 (file)
--- a/src/lib/dhcpsrv/tests/shared_network_unittest.cc
+++ b/src/lib/dhcpsrv/tests/shared_network_unittest.cc
@@ -22,6 +22,7 @@
 using namespace isc;
 using namespace isc::asiolink;
 using namespace isc::dhcp;
+using namespace isc::util;
 
 namespace {