Work around issue with alt! in seq_of
Work around issue with alt! in seq_of

The alt! in seq_of parsing can't properly handle
definitions without an alias. By using space
instead of skip_other, we can use a newline as a
forced termination point (to convince the first
parser that it won't match).

keeperofdakeys/asn1-parse,keeperofdakeys/asn1-parse