clang-error: fix clang-analyzer-deadcode.DeadStores error

This clang error is generated when the value stored to a variable
is never read in the code.

Change-Id: Ib68741b3aaf8856010d0073675abc2fdb3012712
Signed-off-by: Pavithra Barithaya <pavithra.b@ibm.com>
diff --git a/oem/ibm/libpldmresponder/file_io_type_dump.cpp b/oem/ibm/libpldmresponder/file_io_type_dump.cpp
index 811f3fb..f1c6bec 100644
--- a/oem/ibm/libpldmresponder/file_io_type_dump.cpp
+++ b/oem/ibm/libpldmresponder/file_io_type_dump.cpp
@@ -188,7 +188,9 @@
         {
             sock = -errno;
             close(DumpHandler::fd);
-            error("DumpHandler::writeFromMemory: setupUnixSocket() failed");
+            error(
+                "DumpHandler::writeFromMemory: setupUnixSocket() failed ERR={ERR_NO}",
+                "ERR_NO", sock);
             std::remove(socketInterface.c_str());
             return PLDM_ERROR;
         }
@@ -208,7 +210,8 @@
         close(DumpHandler::fd);
         auto socketInterface = getOffloadUri(fileHandle);
         std::remove(socketInterface.c_str());
-        error("DumpHandler::write: writeToUnixSocket() failed");
+        error("DumpHandler::write: writeToUnixSocket() failed ERR={RC_VAL}",
+              "RC_VAL", rc);
         return PLDM_ERROR;
     }