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/host-bmc/host_pdr_handler.cpp b/host-bmc/host_pdr_handler.cpp
index f201965..922e9db 100644
--- a/host-bmc/host_pdr_handler.cpp
+++ b/host-bmc/host_pdr_handler.cpp
@@ -2,9 +2,8 @@
 
 #include "host_pdr_handler.hpp"
 
-#include "libpldm/pldm.h"
-
 #include <assert.h>
+#include <libpldm/pldm.h>
 
 #include <nlohmann/json.hpp>
 #include <sdeventplus/clock.hpp>