network_manager: Allow direct access to interfaces

Change-Id: I3dc2bb944b8d3a7873e26ce2958a2cb1d9be95af
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/src/dhcp_configuration.cpp b/src/dhcp_configuration.cpp
index 6c96206..c14f547 100644
--- a/src/dhcp_configuration.cpp
+++ b/src/dhcp_configuration.cpp
@@ -26,7 +26,7 @@
 {
     config::Parser conf;
     {
-        auto interfaceStrList = getInterfaces();
+        auto interfaceStrList = getSystemInterfaces();
         if (!interfaceStrList.empty())
         {
             conf.setFile(config::pathForIntfConf(manager.getConfDir(),