fix include issues in dsp library #1340

Job	Run time
build_debian_bookworm	3m 41s
build_debian_buster	3m 10s
build_android	11m 39s
build_debian_bullseye	3m 5s
build_debian_sid	3m 47s
build_macos_arm	2m 42s
build_macos_intel	5m 59s
build_raspios_bullseye_armhf	8m 59s
build_ubuntu_jammy	3m 7s
build_ubuntu_focal	3m 46s
build_ubuntu_mantic	3m 22s
build_ubuntu_noble	4m 29s
build_windows	11m 56s
check_formatting	10s
check_spelling	20s
create_full_archive	10s
update_nightly_release	8s
	1h 10m 30s

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