errors: add exception for build time failure

Add a specific exception for build-time failures.

Change-Id: I1e6189ca256398d6995d4d0e0127846e1a7249a9
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/sensors/builder.cpp b/sensors/builder.cpp
index 0f2f0c7..06d1289 100644
--- a/sensors/builder.cpp
+++ b/sensors/builder.cpp
@@ -22,6 +22,7 @@
 #include "conf.hpp"
 #include "dbus/dbuspassive.hpp"
 #include "dbus/dbuswrite.hpp"
+#include "errors/exception.hpp"
 #include "interfaces.hpp"
 #include "notimpl/readonly.hpp"
 #include "notimpl/writeonly.hpp"