Sync OEM:libpldm encode/decode APIs into PLDM

Change-Id: I756506e8f1678d6ee82528fdb26ea817d4a2b3cf
Signed-off-by: Priyanga <priyram1@in.ibm.com>
diff --git a/oem/ibm/libpldmresponder/file_io.hpp b/oem/ibm/libpldmresponder/file_io.hpp
index 106e2b2..2e08745 100644
--- a/oem/ibm/libpldmresponder/file_io.hpp
+++ b/oem/ibm/libpldmresponder/file_io.hpp
@@ -4,6 +4,7 @@
 #include <unistd.h>
 
 #include <filesystem>
+#include <vector>
 
 #include "libpldm/base.h"
 #include "libpldm/file_io.h"