More fixes for low-offset checkpoints

Previous commit did fix the problem, but only one check related to it.

This commit fixed the checks in 2 more places (that should be all).

lib/OmniPITR/Program/Backup/Slave.pm

@@ -341,15 +341,15 @@ sub wait_for_checkpoint_from_backup_label {
 
     $self->log->fatal( 'Cannot get checkpoint lines from: %s', $self->{ 'backup_file_data' } ) if 1 != scalar @checkpoint_lines;
 
-    my ( $major, $minor ) = $checkpoint_lines[ 0 ] =~ m{ \s+ ( [a-f0-9]+ ) / ( [a-f0-9]{8} ) \s* \z }xmsi;
+    my ( $major, $minor ) = $checkpoint_lines[ 0 ] =~ m{ \s+ ( [a-f0-9]+ ) / ( [a-f0-9]{1,8} ) \s* \z }xmsi;
     $major = hex $major;
     $minor = hex $minor;
 
     $self->log->log( 'Waiting for checkpoint (based on backup_label from master) - %s', $checkpoint_lines[ 0 ] ) if $self->verbose;
     while ( 1 ) {
         my $temp = $self->get_control_data();
 
-        my ( $c_major, $c_minor ) = $temp->{ 'Latest checkpoint location' } =~ m{ \A ( [a-f0-9]+ ) / ( [a-f0-9]{8} ) \s* \z }xmsi;
+        my ( $c_major, $c_minor ) = $temp->{ 'Latest checkpoint location' } =~ m{ \A ( [a-f0-9]+ ) / ( [a-f0-9]{1,8} ) \s* \z }xmsi;
         $c_major = hex $c_major;
         $c_minor = hex $c_minor;