Fix `info.init_os_version` on FreeBSD

It's possible for the return string to be longer than 128 characters
these days, so I've increased it to 1024, same as the other BSDs.

SYSCTL was otherwise erring out due to lack of buffer space.

core/sys/info/platform_freebsd.odin

@@ -12,7 +12,7 @@ version_string_buf: [1024]u8
 init_os_version :: proc () {
 	os_version.platform = .FreeBSD
 
-	kernel_version_buf: [129]u8
+	kernel_version_buf: [1024]u8
 
 	b := strings.builder_from_bytes(version_string_buf[:])
 	// Retrieve kernel info using `sysctl`, e.g. FreeBSD 13.1-RELEASE-p2 GENERIC