Remove all uses of native cdecl except for those that yield

src/lib/linux_os.rs

@@ -6,7 +6,7 @@ TODO: Restructure and document
 
 // FIXME Somehow merge stuff duplicated here and macosx_os.rs. Made difficult
 // by https://github.com/graydon/rust/issues#issue/268
-native "cdecl" mod libc = "" {
+native "c-stack-cdecl" mod libc = "" {
     fn read(fd: int, buf: *u8, count: uint) -> int;
     fn write(fd: int, buf: *u8, count: uint) -> int;
     fn fread(buf: *u8, size: uint, n: uint, f: libc::FILE) -> uint;
@@ -72,6 +72,14 @@ fn fd_FILE(fd: int) -> libc::FILE {
     ret str::as_buf("r", {|modebuf| libc::fdopen(fd, modebuf) });
 }
 
+fn close(fd: int) -> int {
+    libc::close(fd)
+}
+
+fn fclose(file: libc::FILE) {
+    libc::fclose(file)
+}
+
 fn waitpid(pid: int) -> int {
     let status = 0;
     assert (os::libc::waitpid(pid, status, 0) != -1);