dvdrip: changed to install perl modules into vendor directory

Note:

According to http://search.cpan.org/dist/perl/INSTALL#Installation_Directories
this is the right place for distributions which build binary packages of perl
add-on modules.

multimedia/dvdrip/dvdrip.conf

@@ -0,0 +1,15 @@
+# --- SDE-COPYRIGHT-NOTE-BEGIN ---
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+#
+# Filename: package/.../dvdrip/dvdrip.conf
+# Copyright (C) 2012 The OpenSDE Project
+#
+# More information can be found in the files COPYING and README.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License. A copy of the
+# GNU General Public License can be found in the file COPYING.
+# --- SDE-COPYRIGHT-NOTE-END ---
+
+var_append makeinstopt ' ' "INSTALLDIRS=vendor"