xz: Fix return value type in io_write_buf().

It didn't affect the behavior of the code since -1
becomes true anyway.

diff --git a/src/xz/file_io.c b/src/xz/file_io.c
index a97dbfa278d2809f901a544aa4ccdd49eee7fcf7..871a099b61939c9e82c2d4b7e18d0ebd985c4c8a 100644 (file)
--- a/src/xz/file_io.c
+++ b/src/xz/file_io.c
@@ -880,7 +880,7 @@ io_write_buf(file_pair *pair, const uint8_t *buf, size_t size)
                if (amount == -1) {
                        if (errno == EINTR) {
                                if (user_abort)
-                                       return -1;
+                                       return true;
 
                                continue;
                        }