[Bug bootstrap/112379] [14 Regression] bootstrap failure on --enable-checking=release: gcc/gcc-urlifier.cc:100:1: error: get_url_suffix_for_quoted_text() defined but not used [-Werror=unused-function]

[slyfox at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112379

--- Comment #1 from Sergei Trofimovich <slyfox at gcc dot gnu.org> ---
Proposed trivial fix by marking helper as `ATTRIBUTE_UNUSED`:
https://gcc.gnu.org/pipermail/gcc-patches/2023-November/635194.html