[Bug debug/68229] .debug_pubnames length field is too large

[todd.allen at ccur dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68229

--- Comment #2 from Todd Allen <todd.allen at ccur dot com> ---
Yeah, the patch code is clumsy.  I wrote it that way to mirror the use of a
continue in output_pubnames().