add PDL::GSL-style distro .pm file

Author: mohawk2

Filter.pm

@@ -0,0 +1,26 @@
+package PDL::Filter;
+
+use strict;
+use warnings;
+
+our $VERSION = '2.096';
+
+=head1 NAME
+
+PDL::Filter - Linear filtering routines for PDL
+
+=head1 DESCRIPTION
+
+This contains linear filtering routines. It contains the following packages:
+
+=over
+
+=item L<PDL::Filter::Linear>
+
+=item L<PDL::Filter::LinPred>
+
+=back
+
+=cut
+
+1;

Makefile.PL

@@ -8,7 +8,7 @@ my $package_name = "PDL::Filter";
 $repo = "PDLPorters/$repo";
 WriteMakefile(
   NAME => $package_name,
-  VERSION_FROM => 'Linear.pm',
+  VERSION_FROM => 'Filter.pm',
   AUTHOR => 'PerlDL Developers <pdl-general@lists.sourceforge.net>',
   CONFIGURE_REQUIRES => {
     'ExtUtils::MakeMaker' => 0,
@@ -17,7 +17,10 @@ WriteMakefile(
   PREREQ_PM => {
     'PDL' => '2.096',
   },
-  PM => { map +($_ => '$(INST_LIBDIR)/Filter/'.$_), <*.pm> },
+  PM => {
+    'Filter.pm' => '$(INST_LIBDIR)/Filter.pm',
+    map +($_ => '$(INST_LIBDIR)/Filter/'.$_), <Lin*.pm>,
+  },
   META_MERGE => {
     "meta-spec" => { version => 2 },
     resources => {