fseq → common Relation

File in src/fseq	Includes file in common
comblock.c	std2 / errcode.h
comblock.c	std2 / fc.h
comblock.c	fseq / fd.h
comblock.c	std2 / string.h
seq.c	std2 / errcode.h
seq.c	std2 / fc.h
seq.c	fseq / writer.h