fix(libsinsp): modify switch case #4817

Job	Run time
build-libs-emscripten 🧐	3m 41s
build-libs-linux-amd64-asan 🧐	7m 58s
build-libs-linux-amd64 😁 (system_deps)	5m 7s
build-libs-linux-amd64 😁 (bundled_deps)	16m 30s
build-libs-linux-amd64-static 🎃	21m 27s
build-libs-others-amd64 😨 (windows-latest)	8m 34s
build-shared-libs-linux-amd64 🧐	3m 33s
build-libs-linux-amd64 😁 (system_deps_w_chisels)	5m 8s
build-libs-others-amd64 😨 (macos-latest)	7m 55s
build-libs-linux-amd64 😁 (system_deps_minimal)	3m 29s
build-shared-libs-macos-amd64 😨	3m 5s
run-e2e-tests-amd64 (system_deps)	8m 16s
build-libs-linux-arm64 😁 (system_deps)	5m 8s
test-libs-static (bundled_deps)	14m 5s
run-e2e-tests-amd64 (bundled_deps)	19m 42s
build-libs-linux-arm64 😁 (bundled_deps)	16m 13s
run-e2e-tests-amd64 (system_deps_w_chisels)	8m 28s
build-libs-linux-arm64 😁 (system_deps_w_chisels)	5m 13s
run-e2e-tests-amd64 (asan)	21m 6s
build-libs-linux-arm64 😁 (system_deps_minimal)	3m 37s
	3h 8m 15s

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