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.hpp b/libpldmresponder/platform.hpp
index bf64f6b..42ebdb9 100644
--- a/libpldmresponder/platform.hpp
+++ b/libpldmresponder/platform.hpp
@@ -2,10 +2,6 @@
 
 #include "config.h"
 
-#include "libpldm/pdr.h"
-#include "libpldm/platform.h"
-#include "libpldm/states.h"
-
 #include "common/utils.hpp"
 #include "event_parser.hpp"
 #include "fru.hpp"
@@ -16,6 +12,9 @@
 #include "oem_handler.hpp"
 #include "pldmd/handler.hpp"
 
+#include <libpldm/pdr.h>
+#include <libpldm/platform.h>
+#include <libpldm/states.h>
 #include <stdint.h>
 
 #include <map>