remove "no warnings 'once'" in a few places

We can use "use" to get the namespace into the "BEGIN" phase of
the interpreter.  While we're at it, use \&coderef syntax
explicitly instead of globbing everything.

2 files changed, 3 insertions, 3 deletions

diff --git a/lib/PublicInbox/Spawn.pm b/lib/PublicInbox/Spawn.pm
index 6493ad38..c64812dd 100644
--- a/lib/PublicInbox/Spawn.pm
+++ b/lib/PublicInbox/Spawn.pm
@@ -172,8 +172,7 @@ if (defined $vfork_spawn) {
 
 unless (defined $vfork_spawn) {
         require PublicInbox::SpawnPP;
-        no warnings 'once';
-        *pi_fork_exec = *PublicInbox::SpawnPP::pi_fork_exec
+        *pi_fork_exec = \&PublicInbox::SpawnPP::pi_fork_exec
 }
 
 sub which ($) {
diff --git a/lib/PublicInbox/WwwListing.pm b/lib/PublicInbox/WwwListing.pm
index 03534f03..bcb968af 100644
--- a/lib/PublicInbox/WwwListing.pm
+++ b/lib/PublicInbox/WwwListing.pm
@@ -9,11 +9,12 @@ use warnings;
 use PublicInbox::Hval qw(ascii_html);
 use PublicInbox::Linkify;
 use PublicInbox::View;
+use PublicInbox::Inbox;
 use bytes ();
 use HTTP::Date qw(time2str);
 require Digest::SHA;
 require File::Spec;
-{ no warnings 'once'; *try_cat = *PublicInbox::Inbox::try_cat };
+*try_cat = \&PublicInbox::Inbox::try_cat;
 
 sub list_all ($$$) {
         my ($self, $env, $hide_key) = @_;