fix compatibiltiy bug with vim 7.2

doc/NERD_commenter.txt

@@ -852,6 +852,9 @@ if your face looked like a toaster and a t-rex put together? :(
 ==============================================================================
 7. Changelog                                                *NERDComChangelog*
 
+2.1.16
+    - compatibility fix for vim7.2, cheers to Ben Schmidt, David Fishburn, and
+      Erik Falor for the emails.
 2.1.15
     - added pamconf support, thanks to Martin Kustermann
     - added mason support, thanks to Indriði Einarsson
@@ -1189,6 +1192,9 @@ reports about sexy/toggle comments and for testing my fixes.
 
 Thanks to tpope for the english lesson.
 
+Thanks to Ben Schmidt, David Fishburn, and Erik Falor for emailing me about an
+incompatibility with vim7.2.
+
 Not to forget! Thanks to the following people for sending me new filetypes to
 support :D
 

plugin/NERD_commenter.vim

@@ -2,6 +2,7 @@
 " File:        NERD_commenter.vim
 " Description: vim global plugin that provides easy code commenting
 " Maintainer:  Martin Grenfell <martin_grenfell at msn dot com>
+" Version:     2.1.15
 " Last Change: 22 June, 2008
 " License:     This program is free software. It comes without any warranty,
 "              to the extent permitted by applicable law. You can redistribute
@@ -10,7 +11,6 @@
 "              See http://sam.zoy.org/wtfpl/COPYING for more details.
 "
 " ============================================================================
-let s:NERD_commenter_version = 2.1.15
 
 " Section: script init stuff {{{1
 if exists("loaded_nerd_comments")