solarish add fcntl's O_DIRECT constant.

Author: devnexen

src/unix/solarish/mod.rs

@@ -1294,12 +1294,13 @@ pub const O_EXCL: ::c_int = 1024;
 pub const O_NOCTTY: ::c_int = 2048;
 pub const O_TRUNC: ::c_int = 512;
 pub const O_NOFOLLOW: ::c_int = 0x20000;
-pub const O_DIRECTORY: ::c_int = 0x1000000;
 pub const O_SEARCH: ::c_int = 0x200000;
 pub const O_EXEC: ::c_int = 0x400000;
 pub const O_CLOEXEC: ::c_int = 0x800000;
 pub const O_ACCMODE: ::c_int = 0x600003;
 pub const O_XATTR: ::c_int = 0x4000;
+pub const O_DIRECTORY: ::c_int = 0x1000000;
+pub const O_DIRECT: ::c_int = 0x2000000;
 pub const S_IFIFO: mode_t = 4096;
 pub const S_IFCHR: mode_t = 8192;
 pub const S_IFBLK: mode_t = 24576;