Add fprintd to the pam file

res/pam.d/ly

@@ -1,5 +1,7 @@
 #%PAM-1.0
 
+auth       sufficient   pam_unix-so try_first_pass likeauth nullok # empty-password will not pass this, but will not fail causing the next line to get executed
+-auth      sufficient   pam_fprintd.so # We do not want to get errors when pam_fprintd.so is not present
 auth       include      login
 -auth      optional     pam_gnome_keyring.so
 -auth      optional     pam_kwallet5.so

src/main.zig

@@ -602,8 +602,8 @@ pub fn main() !void {
 
             asyncPamHandle = null;
             try std.posix.tcsetattr(std.posix.STDIN_FILENO, .FLUSH, tb_termios);
-            termbox.tb_clear();
-            termbox.tb_present();
+            _ = termbox.tb_clear();
+            _ = termbox.tb_present();
             std.time.sleep(1000000000);
         }