whitespace; pointed out by groth@genua
fix format strings;
gc read_symtab_from_file(); ok natano@
prevent integer overflow when shifting; ok patrick@
Remove architecture directories re-added in the last sync.

"yes" drahn@, "yes" pedro@
stub functions to fix annoying warnings; ok natano@
Use MIN() from <sys/param.h>; ok pedro@
Dump/restore the root nodes metadata.

input and ok pedro@