elput: Fix resource leak

Coverty reports that we leak 'reply' here if we fall into the error
condition.

CID1367506

@fix

Signed-off-by: Chris Michael <cp.michael@samsung.com>

src/lib/elput/elput_logind.c

@@ -393,6 +393,7 @@ _logind_device_take(Elput_Manager *em, uint32_t major, uint32_t minor)
    if (eldbus_message_error_get(reply, &errname, &errmsg))
      {
         ERR("Eldbus Message Error: %s %s", errname, errmsg);
+        eldbus_message_unref(reply);
         return -1;
      }