Restore original $licensepath of the optional EULA of MSI package

Change-Id: If80ac5648f50deda7a16bc6661ced31357958d67
Reviewed-on: https://gerrit.libreoffice.org/70038
Tested-by: Jenkins
Reviewed-by: Andras Timar <andras.timar@collabora.com>

solenv/bin/modules/installer/environment.pm

@@ -59,7 +59,7 @@ sub create_pathvariables
     my $filelistpath = $environment->{'WORKDIR'};
     $variables{'filelistpath'} = $filelistpath;
 
-    my $licensepath = $environment->{'WORKDIR'} . $installer::globals::separator . "CustomTarget/readlicense_oo/license";
+    my $licensepath = $environment->{'SRCDIR'} . $installer::globals::separator . "readlicense_oo/license";
     $variables{'licensepath'} = $licensepath;
 
     my $packinfopath = $environment->{'SRCDIR'} . $installer::globals::separator . "setup_native/source/packinfo";