Fix more build warnings

There are a couple new build warnings about missing cases in a switch
and an unused paramter. This adds a default case and comments the
parameter to fix the build.

Signed-off-by: Jason M. Bills <jason.m.bills@linux.intel.com>
Change-Id: I54321e2631b54e96bc3ea97fcc345642a8ea4294
diff --git a/include/error_monitors/ierr_monitor.hpp b/include/error_monitors/ierr_monitor.hpp
index 5babf50..b86f6b9 100644
--- a/include/error_monitors/ierr_monitor.hpp
+++ b/include/error_monitors/ierr_monitor.hpp
@@ -299,6 +299,10 @@
                     }
                     break;
                 }
+                default:
+                    std::cerr << "No special IERR handling provided for model "
+                              << static_cast<int>(model) << "\n";
+                    break;
             }
         }
 #endif
@@ -454,7 +458,7 @@
                 resp = requested;
                 return 1;
             },
-            [this](std::size_t& resp) { return getTimeoutMs(); });
+            [this](std::size_t& /*resp*/) { return getTimeoutMs(); });
         hostErrorTimeoutIface->initialize();
 
         std::string objectName = customName.empty() ? signalName : customName;