pkg/49143: Add missing README file to mail/mailman PLIST

[venture37%geeklan.co.uk@localhost]

>Number:         49143
>Category:       pkg
>Synopsis:       Add missing README file to mail/mailman PLIST
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Aug 22 16:55:00 +0000 2014
>Originator:     Sevan Janiyan
>Release:        pkgsrc-current
>Organization:
>Environment:
Darwin 8.11.0 Darwin Kernel Version 8.11.0: Wed Oct 10 18:26:00 PDT 2007; 
root:xnu-792.24.17~1/RELEASE_PPC Power Macintosh powerpc
>Description:
mailman fails in bulk build with
=> Checking file-check results for mailman-2.1.18.1
ERROR: ************************************************************
ERROR: The following files are in /tmp/mail/mailman/work/.destdir/usr/pkg but 
not in the PLIST:
ERROR:         
/tmp/mail/mailman/work/.destdir/usr/pkg/lib/mailman/messages/sr/README.sr
*** Error code 1
>How-To-Repeat:

>Fix:
Index: PLIST
===================================================================
RCS file: /cvsroot/pkgsrc/mail/mailman/PLIST,v
retrieving revision 1.23
diff -u -r1.23 PLIST
--- PLIST       14 Jun 2014 09:20:49 -0000      1.23
+++ PLIST       22 Aug 2014 16:49:22 -0000
@@ -445,6 +445,7 @@
 lib/mailman/messages/sl/LC_MESSAGES/mailman.po
 lib/mailman/messages/sr/LC_MESSAGES/mailman.mo
 lib/mailman/messages/sr/LC_MESSAGES/mailman.po
+lib/mailman/messages/sr/README.sr
 lib/mailman/messages/sv/LC_MESSAGES/mailman.mo
 lib/mailman/messages/sv/LC_MESSAGES/mailman.po
 lib/mailman/messages/sv/README.sv