xz: Use ssize_t for the to-be-ignored return value from write(fd, ptr, 1).

It makes no difference here as the return value fits into an int
too and it then gets ignored but this looks better.

diff --git a/src/xz/file_io.c b/src/xz/file_io.c
index 41e4c2d893f8059c99c37e90ff68830e1a661a73..61629ed3bbeccefc03b63af3aae7e812590bfa90 100644 (file)
--- a/src/xz/file_io.c
+++ b/src/xz/file_io.c
@@ -140,7 +140,7 @@ io_write_to_user_abort_pipe(void)
        // handler. So ignore the errors and try to avoid warnings with
        // GCC and glibc when _FORTIFY_SOURCE=2 is used.
        uint8_t b = '\0';
-       const int ret = write(user_abort_pipe[1], &b, 1);
+       const ssize_t ret = write(user_abort_pipe[1], &b, 1);
        (void)ret;
        return;
 }