www/rustypaste*: Mark BROKEN on i386
reference#1: https://pkg-status.freebsd.org/beefy17/data/main-i386-default/pbe0f24e23b1e_se754909cb0a/logs/rustypaste-0.15.0.log
reference#2: https://pkg-status.freebsd.org/beefy17/data/main-i386-default/pbe0f24e23b1e_se754909cb0a/logs/rustypaste-cli-0.9.0.log
PR: 279697