gcf2: take non-ref scalar request arg

Asking callers to pass a scalar reference is awkward and
doesn't benefit modern Perl with CoW support.  Unlike
some constant error messages, it can't save any allocations
at all since there's no constant strings being passed to
libgit2.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/PublicInbox/GitAsyncCat.pm b/lib/PublicInbox/GitAsyncCat.pm
index 71ee1147..f8b2a9fc 100644
--- a/lib/PublicInbox/GitAsyncCat.pm
+++ b/lib/PublicInbox/GitAsyncCat.pm
@@ -18,7 +18,7 @@ sub ibx_async_cat ($$$$) {
                 require PublicInbox::Gcf2Client;
                 PublicInbox::Gcf2Client::new();
         } // 0)) { # 0: do not retry if libgit2 or Inline::C are missing
-                $GCF2C->gcf2_async(\"$oid $git->{git_dir}\n", $cb, $arg);
+                $GCF2C->gcf2_async("$oid $git->{git_dir}\n", $cb, $arg);
                 \undef;
         } else { # read-only end of git-cat-file pipe
                 $git->cat_async($oid, $cb, $arg);
@@ -42,7 +42,7 @@ sub ibx_async_prefetch {
         if (!defined($ibx->{topdir}) && $GCF2C) {
                 if (!@{$GCF2C->{inflight} // []}) {
                         $oid .= " $git->{git_dir}\n";
-                        return $GCF2C->gcf2_async(\$oid, $cb, $arg); # true
+                        return $GCF2C->gcf2_async($oid, $cb, $arg); # true
                 }
         } elsif ($git->{epwatch}) {
                 return $git->async_prefetch($oid, $cb, $arg);