Add functional as dependency to install for testing as boostdep misse…

…s it.

.github/workflows/ci.yml

@@ -82,7 +82,8 @@ jobs:
           rm -rf libs/$LIBRARY/*
           cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
           python tools/boostdep/depinst/depinst.py --include benchmark --include example --include examples --include tools --git_args "--depth 10 --jobs 3" $LIBRARY
-          python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 3" filesystem functional
+          python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 3" filesystem
+          python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 3" functional
           ./bootstrap.sh
           ./b2 -d0 headers
           ./b2 -j4 variant=debug tools/inspect/build
@@ -174,7 +175,8 @@ jobs:
           xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
           git submodule update --init tools/boostdep
           python tools/boostdep/depinst/depinst.py --include benchmark --include example --include examples --include tools --git_args "--jobs 3" %LIBRARY%
-          python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 3" filesystem functional
+          python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 3" filesystem
+          python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 3" functional
           cmd /c bootstrap
           b2 -d0 headers