Prefer to overflow rather than die when wrapping lines

Some of our documentation cannot fit into 76 characters, when that is
the case prefer overflowing over the default (to die). This allows
conversion of the headers to continue despite a few Doxygen comments
that don't wrap perfectly.

Change-Id: I21748d25e459cdc467d5dce58e0f3e2d23628b18
Merge topic 'perl-doxygen-fix' into master

d8317aea Prefer to overflow rather than die when wrapping lines