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/libpldmresponder/platform.cpp b/libpldmresponder/platform.cpp
index 8dce111..31a7d6c 100644
--- a/libpldmresponder/platform.cpp
+++ b/libpldmresponder/platform.cpp
@@ -1,8 +1,5 @@
 #include "platform.hpp"
 
-#include "libpldm/entity.h"
-#include "libpldm/state_set.h"
-
 #include "common/types.hpp"
 #include "common/utils.hpp"
 #include "event_parser.hpp"
@@ -16,6 +13,8 @@
 #include "platform_state_sensor.hpp"
 
 #include <config.h>
+#include <libpldm/entity.h>
+#include <libpldm/state_set.h>
 
 using namespace pldm::utils;
 using namespace pldm::responder::pdr;