netipmid: use system path include style

For external header files, us the system path include style to fit with
the standard coding style of the project.

Change-Id: Iba08b6b5adf20ebf7cebdb2d39aaad84463e3ff3
Signed-off-by: Vernon Mauery <vernon.mauery@linux.intel.com>
diff --git a/settings.cpp b/settings.cpp
index b243487..2b6915c 100644
--- a/settings.cpp
+++ b/settings.cpp
@@ -1,9 +1,8 @@
 #include "settings.hpp"
 
-#include "xyz/openbmc_project/Common/error.hpp"
-
 #include <phosphor-logging/elog-errors.hpp>
 #include <phosphor-logging/log.hpp>
+#include <xyz/openbmc_project/Common/error.hpp>
 
 namespace settings
 {