From src/flow.c… is this intentional?
static inline void FlowSwapFileFlags(Flow *f)
{
SWAP_FLAGS(f->file_flags, FLOWFILE_NO_MAGIC_TS, FLOWFILE_NO_MAGIC_TC);
SWAP_FLAGS(f->file_flags, FLOWFILE_NO_MAGIC_TS, FLOWFILE_NO_MAGIC_TC);
SWAP_FLAGS(f->file_flags, FLOWFILE_NO_MAGIC_TS, FLOWFILE_NO_MAGIC_TC);
SWAP_FLAGS(f->file_flags, FLOWFILE_NO_MAGIC_TS, FLOWFILE_NO_MAGIC_TC);
}