given/take: Change verb tense

When the transaction is still pending, the past tense is incorrect.

This is not relevant for the contras, because those descriptions are
only displayed in logs, after the fact.

plugins/give

@@ -33,7 +33,7 @@ sub reason :Tab(whatevah) ($self, $cart, $input, @) {
     my $reason = $input =~ /^x?$/ ? "" : " ($input)";
 
     $cart
-        ->add(-$amount, "Given to $beneficiary" . $reason)
+        ->add(-$amount, "Give to $beneficiary" . $reason)
         ->add_contra($beneficiary, +$amount, "Received from \$you" . $reason);
 
     return ACCEPT;

plugins/take

@@ -54,7 +54,7 @@ sub reason :Tab(bbq) ($self, $cart, $reason, @) {
     my $total = $self->{total};
 
     my $users = join '/', @users;
-    my $entry = $cart->add($total, "Taken from $users ($reason)", { is_take => 1 });
+    my $entry = $cart->add($total, "Take from $users ($reason)", { is_take => 1 });
     for my $user (@users) {
         $entry->add_contra( $user, -$each, "Taken by \$you ($reason)" );
     }