repobrowse: avoid slurping lines

"foreach (<$fh>)" in Perl requests lines in array
context, so use "while" instead for lazy reading.

This follows ba4c50c20b95679580beba1ef290a4281d5285b7
in master ("config: do not slurp lines into memory")

2 files changed, 2 insertions, 2 deletions

diff --git a/lib/PublicInbox/RepobrowseBase.pm b/lib/PublicInbox/RepobrowseBase.pm
index caec5ced..44f422df 100644
--- a/lib/PublicInbox/RepobrowseBase.pm
+++ b/lib/PublicInbox/RepobrowseBase.pm
@@ -24,7 +24,7 @@ sub mime_load {
         my ($self, $file) = @_;
         my %rv;
         open my $fh, '<', $file or return \%rv;
-        foreach (<$fh>) {
+        while (<$fh>) {
                 next if /^#/; # no comments
                 my ($type, @ext) = split(/\s+/);
 
diff --git a/lib/PublicInbox/RepobrowseGitSummary.pm b/lib/PublicInbox/RepobrowseGitSummary.pm
index b6b96028..e7739ecd 100644
--- a/lib/PublicInbox/RepobrowseGitSummary.pm
+++ b/lib/PublicInbox/RepobrowseGitSummary.pm
@@ -48,7 +48,7 @@ sub for_each_ref {
                         '</pre><table>');
 
         my $rel = $req->{relcmd};
-        foreach (<$refs>) {
+        while (<$refs>) {
                 my ($ref, $type, $hex, $date, $s) = split(' ', $_, 5);
                 my $x = $ref eq $head_ref ? ' (HEAD)' : '';
                 $ref =~ s!\Arefs/(?:heads|tags)/!!;