Define XATTR_{CREATE,REPLACE} for all linux_like

Android also supports these attributes[1]. Move the definitions into the
parent linux_like module.

[1] https://android.googlesource.com/platform/bionic/+/921b3a4642c2d24e7580ae542ff10e0319a2453d/libc/kernel/uapi/linux/xattr.h#24

Author: tweksteen

src/unix/linux_like/emscripten/mod.rs

@@ -1153,9 +1153,6 @@ pub const ITIMER_REAL: ::c_int = 0;
 pub const ITIMER_VIRTUAL: ::c_int = 1;
 pub const ITIMER_PROF: ::c_int = 2;
 
-pub const XATTR_CREATE: ::c_int = 0x1;
-pub const XATTR_REPLACE: ::c_int = 0x2;
-
 pub const _POSIX_VDISABLE: ::cc_t = 0;
 
 pub const FALLOC_FL_KEEP_SIZE: ::c_int = 0x01;

src/unix/linux_like/linux/mod.rs

@@ -1712,9 +1712,6 @@ pub const TFD_CLOEXEC: ::c_int = O_CLOEXEC;
 pub const TFD_NONBLOCK: ::c_int = O_NONBLOCK;
 pub const TFD_TIMER_ABSTIME: ::c_int = 1;
 
-pub const XATTR_CREATE: ::c_int = 0x1;
-pub const XATTR_REPLACE: ::c_int = 0x2;
-
 pub const _POSIX_VDISABLE: ::cc_t = 0;
 
 pub const FALLOC_FL_KEEP_SIZE: ::c_int = 0x01;

src/unix/linux_like/mod.rs

@@ -546,6 +546,9 @@ pub const PROT_READ: ::c_int = 1;
 pub const PROT_WRITE: ::c_int = 2;
 pub const PROT_EXEC: ::c_int = 4;
 
+pub const XATTR_CREATE: ::c_int = 0x1;
+pub const XATTR_REPLACE: ::c_int = 0x2;
+
 cfg_if! {
     if #[cfg(not(target_env = "uclibc"))] {
         pub const LC_CTYPE: ::c_int = 0;