lang/zig: unbreak Sigaction.handler_fn on aarch64

$ cat test.zig
const std = @import("std");
const os = std.os;

pub fn main() anyerror!void {
    // From https://github.com/riverwm/river/blob/v0.2.2/river/main.zig#L97-L104
    const sig_ign = os.Sigaction{
        .handler = .{ .handler = os.SIG.IGN },
        .mask = os.empty_sigset,
        .flags = 0,
    };
    try os.sigaction(os.SIG.PIPE, &sig_ign, null);
}

$ zig build-exe -target aarch64-freebsd test.zig
/usr/local/lib/zig/std/c/freebsd.zig:702:54: error: pointer type '?*const fn(c_int) callconv(.C) void' requires aligned address
    pub const IGN = @intToPtr(?Sigaction.handler_fn, 1);
                                                     ^
referenced by:
    main: test.zig:7:40
    comptime_0: /usr/local/lib/zig/std/start.zig:59:50
    remaining reference traces hidden; use '-freference-trace' to see all reference traces

Reported by:	pkg-fallout (x11-wm/river)
Inspired by:	Alpine Linux

0 files changed, 0 insertions, 0 deletions