Porting/sync-with-cpan: do in fact run the new dist's tests

At the point we look for the dist's test files, we've just chdir-ed into
Perl's t/ directory (since we need to be able to run the ./perl binary in
that directory), so the tests are therefore under ../cpan/$dist.

diff --git a/Porting/sync-with-cpan b/Porting/sync-with-cpan
index 30935d3..9cf7389 100755 (executable)
--- a/Porting/sync-with-cpan
+++ b/Porting/sync-with-cpan
@@ -486,7 +486,7 @@ unlink "cpan/$new_file" unless $tarball;
 #
 chdir "t";
 say "Running module tests";
-my @test_files = grep { /\.t$/ } find_type_f( $pkg_dir );
+my @test_files = grep { /\.t$/ } find_type_f( "../cpan/$pkg_dir" );
 my $exe_dir= $^O =~ /MSWin/ ? "..\\" : './';
 my $output = `${exe_dir}perl$Config{_exe} TEST @test_files`;
 unless ($output =~ /All tests successful/) {