[1968] Namespaces in iface_mgr_(os).cc fixed.

src/lib/dhcp/iface_mgr_bsd.cc

@@ -25,6 +25,7 @@ using namespace isc::asiolink;
 using namespace isc::dhcp;
 
 namespace isc {
+namespace dhcp {
 
 void
 IfaceMgr::detectIfaces() {
@@ -48,6 +49,7 @@ bool IfaceMgr::os_receive4(struct msghdr& /*m*/, Pkt4Ptr& /*pkt*/) {
   return (true); // pretend that we have everything set up for reception.
 }
 
-}
+} // end of isc::dhcp namespace
+} // end of dhcp namespace
 
 #endif

src/lib/dhcp/iface_mgr_linux.cc

@@ -410,7 +410,6 @@ void Netlink::release_list(NetlinkMessages& messages) {
 } // end of anonymous namespace
 
 namespace isc {
-
 namespace dhcp {
 
 /// @brief Detect available interfaces on Linux systems.

src/lib/dhcp/iface_mgr_sun.cc

@@ -25,6 +25,7 @@ using namespace isc::asiolink;
 using namespace isc::dhcp;
 
 namespace isc {
+namespace isc::dhcp {
 
 void
 IfaceMgr::detectIfaces() {
@@ -48,6 +49,7 @@ bool IfaceMgr::os_receive4(struct msghdr& /*m*/, Pkt4Ptr& /*pkt*/) {
   return (true); // pretend that we have everything set up for reception.
 }
 
-}
+} // end of isc::dhcp namespace
+} // end of dhcp namespace
 
 #endif