gdb/dwarf: add empty lines in cutu_reader::read_cutu_die_from_dwo comment

I find it much more readable this way, with one idea per paragraph.

Change-Id: Ib31b410867c8444e0f3200681881f54f1b8ebea8
Approved-By: Tom Tromey <tom@tromey.com>
1 file changed