[PATCH] gdb: Remove use of VEC from dwarf2read.c

[Tom Tromey]

>>>>> "Andrew" == Andrew Burgess <andrew.burgess@embecosm.com> writes:

Andrew> This removes a use of VEC from GDB, from dwarf2read.c.  This removal
Andrew> is not very clean, and would probably benefit from additional
Andrew> refactoring in the future.

I tried once before, but I missed some needed changes (Simon pointed it
out); then I tried a second time but never got around to debugging the
regressions.

I think it's fine to move forward a simpler way, so please check this
in.

vec.h can be removed now -- congratulations!

Tom