graphics/pastel: fix build on powerpc
error[E0412]: cannot find type c_char in the crate root
--> /wrkdirs/usr/ports/graphics/pastel/work/pastel-0.8.1/cargo-crates/libc-0.2.97/src/unix/bsd/freebsdlike/freebsd/freebsd11/mod.rs:66:31 |
66 | pub f_mntfromname: [::c_char; 88],
| ^^^^^^ help: a type alias with a similar name exists: `c_schar` | ::: /wrkdirs/usr/ports/graphics/pastel/work/pastel-0.8.1/cargo-crates/libc-0.2.97/src/unix/mod.rs:6:1 |
6 | pub type c_schar = i8;
| ---------------------- similarly named type alias `c_schar` defined here