Fixing unnecessary moving of variables

Prior to this fix variable was being used even its
memory was moved which can lead to undefined behaviour.

Change-Id: Ibb611fd699df6f30bcfeaa66d151920556dac64e
Signed-off-by: Ratan Gupta <ratagupt@in.ibm.com>
diff --git a/ethernet_interface.cpp b/ethernet_interface.cpp
index 51eaf85..35e61a7 100644
--- a/ethernet_interface.cpp
+++ b/ethernet_interface.cpp
@@ -93,7 +93,7 @@
                                                              gateway);
 
         this->addrs.emplace(
-                    std::move(addr.ipaddress),
+                    addr.ipaddress,
                     std::make_shared<phosphor::network::IPAddress>(
                         bus,
                         ipAddressObjectPath.c_str(),
@@ -158,7 +158,7 @@
                                                 prefixLength,
                                                 gateway);
     this->addrs.emplace(
-                std::move(ipaddress),
+                ipaddress,
                 std::make_shared<phosphor::network::IPAddress>(
                         bus,
                         objectPath.c_str(),