Support mkostemp, mkostemps on Android

Bionic supports it since API level 23. See:

https://github.com/aosp-mirror/platform_bionic/blob/2215ad406b253f12e270cdd0876e19e9df2aa6d4/libc/include/stdlib.h

Author: pcc

src/unix/linux_like/emscripten/mod.rs

@@ -1687,8 +1687,6 @@ extern "C" {
         -> ::ssize_t;
     pub fn preadv(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int, offset: ::off_t) -> ::ssize_t;
     pub fn dup3(oldfd: ::c_int, newfd: ::c_int, flags: ::c_int) -> ::c_int;
-    pub fn mkostemp(template: *mut ::c_char, flags: ::c_int) -> ::c_int;
-    pub fn mkostemps(template: *mut ::c_char, suffixlen: ::c_int, flags: ::c_int) -> ::c_int;
     pub fn nl_langinfo_l(item: ::nl_item, locale: ::locale_t) -> *mut ::c_char;
     pub fn accept4(
         fd: ::c_int,

src/unix/linux_like/linux/mod.rs

@@ -5082,8 +5082,6 @@ extern "C" {
         sigmask: *const ::sigset_t,
     ) -> ::c_int;
     pub fn dup3(oldfd: ::c_int, newfd: ::c_int, flags: ::c_int) -> ::c_int;
-    pub fn mkostemp(template: *mut ::c_char, flags: ::c_int) -> ::c_int;
-    pub fn mkostemps(template: *mut ::c_char, suffixlen: ::c_int, flags: ::c_int) -> ::c_int;
     pub fn sigtimedwait(
         set: *const sigset_t,
         info: *mut siginfo_t,

src/unix/linux_like/mod.rs

@@ -1795,6 +1795,9 @@ extern "C" {
     pub fn uname(buf: *mut ::utsname) -> ::c_int;
 
     pub fn strchrnul(s: *const ::c_char, c: ::c_int) -> *mut ::c_char;
+
+    pub fn mkostemp(template: *mut ::c_char, flags: ::c_int) -> ::c_int;
+    pub fn mkostemps(template: *mut ::c_char, suffixlen: ::c_int, flags: ::c_int) -> ::c_int;
 }
 
 // LFS64 extensions