biology/coverm: fix build with char being unsigned
error[E0308]: mismatched types
--> /wrkdirs/usr/ports/biology/coverm/work/CoverM-0.7.0/cargo-crates/rust-htslib-0.44.1/src/bam/record.rs:2324:17 |
2319 | let ret = hts_sys::bam_mods_query_type(
| ---------------------------- arguments to this function are incorrect
...
2324 | &mut canonical,
| ^^^^^^^^^^^^^^ expected `*mut u8`, found `&mut i8`
|
= note: expected raw pointer `*mut u8`
found mutable reference `&mut i8`