libpldm: Correct reference to libpldm header files

When relying on header files from external libraries, #include<> should
be used instead of #include "" to avoid ambiguity.

Tested: Built pldm successfully after enabling ibm-oem

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: Ia1997de7e0f61564055bbd837f4e24c8f14e55a5
diff --git a/test/pldmd_registration_test.cpp b/test/pldmd_registration_test.cpp
index af709e3..8ed37a7 100644
--- a/test/pldmd_registration_test.cpp
+++ b/test/pldmd_registration_test.cpp
@@ -1,7 +1,7 @@
-#include "libpldm/base.h"
-
 #include "pldmd/invoker.hpp"
 
+#include <libpldm/base.h>
+
 #include <stdexcept>
 
 #include <gtest/gtest.h>