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/tests/tools/nfdc/execute-command-fixture.hpp b/tests/tools/nfdc/execute-command-fixture.hpp
index 4a9df2d..7d73355 100644
--- a/tests/tools/nfdc/execute-command-fixture.hpp
+++ b/tests/tools/nfdc/execute-command-fixture.hpp
@@ -27,7 +27,7 @@
 #define NFD_TESTS_TOOLS_NFDC_EXECUTE_COMMAND_FIXTURE_HPP
 
 #include "mock-nfd-mgmt-fixture.hpp"
-#include "nfdc/available-commands.hpp"
+#include "nfdc/command-parser.hpp"
 
 #include <boost/algorithm/string/classification.hpp>
 #include <boost/algorithm/string/split.hpp>