www/garage: fix build on ARM / POWER
error[E0308]: mismatched types
--> /wrkdirs/usr/ports/www/garage/work/garage/cargo-crates/pnet_datalink-0.28.0/src/bpf.rs:133:29 |
133 | iface.ifr_name[i] = c as i8;
| ----------------- ^^^^^^^ expected `u8`, found `i8` | | | expected due to the type of this binding