Fix mkheaders 'experimental push on scalar is now forbidden' warning.

diff --git a/tools/mkheaders b/tools/mkheaders
index 8367b94a1a3e626a34b65106dc2efd411b2740ec..0569ec4226682df54fc120bfea72e50e12e073f9 100755 (executable)
--- a/tools/mkheaders
+++ b/tools/mkheaders
@@ -92,12 +92,12 @@ for my $path (@paths) {
                                next unless scalar keys %author > 1;
                                my $display = sprintf "%s <%s>", $author{NAME}, $author{EMAIL};
                                $authors{$display} //= [];
-                               push $authors{$display}, $author{YEAR};
+                               push @{$authors{$display}}, $author{YEAR};
                                for my $commit (uniq @{$author{COMMITS}}) {
                                        my $details = `git rev-list --format=%B --max-count=1 $commit`;
                                        while ($details =~ /co-authored-by: ([^<]+<[^>]+>)/gi) {
                                                $authors{$1} //= [];
-                                               push $authors{$1}, $author{YEAR};
+                                               push @{$authors{$1}}, $author{YEAR};
                                        }
                                }
                                undef %author;
@@ -115,7 +115,7 @@ for my $path (@paths) {
                                        $last_year = $year;
                                } else {
                                        if ($last_year == $start_year) {
-                                               push @year_ranges, $last_year; 
+                                               push @year_ranges, $last_year;
                                        } else {
                                                push @year_ranges, "$start_year-$last_year";
                                        }
@@ -124,7 +124,7 @@ for my $path (@paths) {
                        }
                        if (defined $last_year) {
                                if ($last_year == $start_year) {
-                                       push @year_ranges, $last_year; 
+                                       push @year_ranges, $last_year;
                                } else {
                                        push @year_ranges, "$start_year-$last_year";
                                }