build: Fix out of tree build issues

Eventually server.hpp will come from an external shared
library.  Until then, iquote it while it lives in-tree.

Change-Id: If0f7da8e2c951443fea0d623ad03a7c54a5a5ee9
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/manager.hpp b/manager.hpp
index 16a13e6..b254719 100644
--- a/manager.hpp
+++ b/manager.hpp
@@ -5,7 +5,7 @@
 #include <string>
 #include <vector>
 #include <sdbusplus/server.hpp>
-#include <xyz/openbmc_project/Inventory/Manager/server.hpp>
+#include "xyz/openbmc_project/Inventory/Manager/server.hpp"
 #include "filters.hpp"
 #include "actions.hpp"