$NetBSD: patch-libpurple_plugins_perl_common_Makefile.PL.in,v 1.2 2020/06/12 11:40:19 nia Exp $

Unset INSTALL_BASE so that MakeMaker installs perllocal.pod with proper path.

--- libpurple/plugins/perl/common/Makefile.PL.in.orig	Wed Jul 17 08:18:42 2013
+++ libpurple/plugins/perl/common/Makefile.PL.in	Wed Jul 17 08:18:58 2013
@@ -15,7 +15,6 @@
     'OBJECT'            => '$(O_FILES)', # link all the C files too
 #    'OPTIMIZE'          => '-g', # For debugging
     'INSTALLDIRS'          => 'vendor',
-    'INSTALL_BASE'         => '$(prefix)',
     'INSTALLVENDORARCH'    => '$(libdir)/purple-$(PURPLE_MAJOR_VERSION)/perl',
     'INSTALLVENDORMAN3DIR' => '$(mandir)/man3',
     'macro'                => {