fix macos build with latest libboost #354

Job	Run time
Build & Package Fedora	21m 4s
Build & Package Ubuntu Release	0s
Build & Package MacOS (macos-13)	21m 57s
Build & Package Ubuntu	49m 29s
Build & Package MacOS (macos-14)	10m 32s
Build & Package MacOS (macos-15)	9m 52s
Coverage	7m 20s
Upload releases	0s
Update Homebrew Formulas	0s
Build apps (drakon)	2s
Build apps (glove)	2s
Build apps (jx-ide)	1s
Build apps (leibnitz)	2s
Build apps (ssh-askpass)	3s
Build apps (subversion_client)	4s
Build apps (system-g)	1s
	2h 0m 29s

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