Merge pull request #1917 from hermit-os/fchdir_stub

feat(syscalls): stub `fchdir`

Author: mkroening

src/syscalls/mod.rs

@@ -386,6 +386,12 @@ pub unsafe extern "C" fn sys_getcwd(buf: *mut c_char, size: usize) -> *const c_c
 	buf
 }
 
+#[hermit_macro::system(errno)]
+#[unsafe(no_mangle)]
+pub extern "C" fn sys_fchdir(_fd: FileDescriptor) -> i32 {
+	-i32::from(Errno::Nosys)
+}
+
 #[hermit_macro::system(errno)]
 #[unsafe(no_mangle)]
 pub unsafe extern "C" fn sys_chdir(path: *mut c_char) -> i32 {