pv-adverb: Fix build with gcc 11
gcc 11 warns that goto out is jumping past the initialization of
locale_gen_argv. In fact this is fine, because it's also jumping past
the only use of locale_gen_argv, but we can easily silence the warning.
gcc 11 warns that goto out is jumping past the initialization of
locale_gen_argv. In fact this is fine, because it's also jumping past
the only use of locale_gen_argv, but we can easily silence the warning.