spawn: remove stray variable $ndc_err

Code that could be setting it was removed in 14fa0abdcc7b.
Likewise for the double assignment to $err.

Fixes: 14fa0abdcc7b ("rewrite Linux nodatacow use in pure Perl w/o system")

diff --git a/lib/PublicInbox/Spawn.pm b/lib/PublicInbox/Spawn.pm
index 878843a60a8dd1c58383e6437ad3549c453ce7dd..6e33c712d8d2663c857836189315cda399e9a373 100644 (file)
--- a/lib/PublicInbox/Spawn.pm
+++ b/lib/PublicInbox/Spawn.pm
@@ -293,15 +293,12 @@ ALL_LIBC
 use Inline C => $all_libc, BUILD_NOISY => 1;
 EOM
                my $err = $@;
-               my $ndc_err = '';
-               $err = $@;
                open(STDERR, '>&', $olderr) or warn "restore stderr: $!";
                open(STDOUT, '>&', $oldout) or warn "restore stdout: $!";
                if ($err) {
                        seek($fh, 0, SEEK_SET);
                        my @msg = <$fh>;
-                       warn "Inline::C build failed:\n",
-                               $ndc_err, $err, "\n", @msg;
+                       warn "Inline::C build failed:\n", $err, "\n", @msg;
                        $all_libc = undef;
                }
        }