Fix warning enumeration value not handled in switch #181

Job	Run time
Check Ruby Samples ubuntu-latest	2m 0s
Check Ruby Samples macos-latest	1m 54s
Exercise Python examples on ubuntu-latest	4m 27s
Exercise Python examples on macos-latest	6m 40s
Code formatting	12s
Build Windows fetch	4m 5s
Build Windows vcpkg	8m 35s
Build ubuntu-20.04 gcc os	1m 34s
Build ubuntu-20.04 gcc fetch	2m 4s
Build ubuntu-20.04 gcc vcpkg	3m 45s
Build ubuntu-20.04 clang os	1m 8s
Build ubuntu-20.04 clang fetch	2m 42s
Build ubuntu-20.04 clang vcpkg	4m 41s
Build macos-latest gcc os	1s
Build macos-latest gcc fetch	1s
Build macos-latest gcc vcpkg	1s
Build macos-latest clang os	1m 36s
Build macos-latest clang fetch	1m 38s
Build macos-latest clang vcpkg	1m 8s
	48m 12s

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