build: make precompiled headers more useful

This can reduce the compilation time of a release
build (without tests) by more than 40%

Refs: #5212
Change-Id: I977aff0c0c7becbfee8a8b55605b81d0c014829b
diff --git a/daemon/mgmt/command-authenticator.cpp b/daemon/mgmt/command-authenticator.cpp
index ebf7991..d9dfba0 100644
--- a/daemon/mgmt/command-authenticator.cpp
+++ b/daemon/mgmt/command-authenticator.cpp
@@ -32,7 +32,6 @@
 #include <ndn-cxx/security/validation-policy.hpp>
 #include <ndn-cxx/security/validation-policy-accept-all.hpp>
 #include <ndn-cxx/security/validation-policy-command-interest.hpp>
-#include <ndn-cxx/security/validator.hpp>
 #include <ndn-cxx/util/io.hpp>
 
 #include <boost/filesystem.hpp>
diff --git a/daemon/mgmt/strategy-choice-manager.cpp b/daemon/mgmt/strategy-choice-manager.cpp
index ea0c056..fa18856 100644
--- a/daemon/mgmt/strategy-choice-manager.cpp
+++ b/daemon/mgmt/strategy-choice-manager.cpp
@@ -30,6 +30,8 @@
 
 #include <ndn-cxx/mgmt/nfd/strategy-choice.hpp>
 
+#include <boost/lexical_cast.hpp>
+
 namespace nfd {
 
 NFD_LOG_INIT(StrategyChoiceManager);