Forgot to add file needed for PL regression tests

src/tools/msvc/getregress.pl

+#
+# Script that collects a list of regression tests from a Makefile
+#
+# $PostgreSQL: pgsql/src/tools/msvc/getregress.pl,v 1.1 2007/03/22 13:43:02 mha Exp $
+#
+use strict;
+use warnings;
+
+my $M;
+
+open($M,"<Makefile") || open($M,"<GNUMakefile") || die "Could not open Makefile";
+undef $/;
+my $m = <$M>;
+close($M);
+
+$m =~ s/\\[\r\n]*//gs;
+if ($m =~ /^REGRESS\s*=\s*(.*)$/gm)
+{
+    my $t = $1;
+    $t =~ s/\s+/ /g;
+    print "SET TESTS=$t";
+}