Pullup ticket #4540 - requested by tron
net/libtorrent: build fix

Revisions pulled up:
- net/libtorrent/Makefile                                       1.53

-------------------------------------------------------------------
   Module Name:	pkgsrc
   Committed By:	tron
   Date:		Tue Nov  4 08:36:17 UTC 2014

   Modified Files:
   	pkgsrc/net/libtorrent: Makefile

   Log Message:
   Attempt to fix build problems of "rtorretn" on 32bit platforms like
   Linux/i586 or NetBSD/i386.


   To generate a diff of this commit:
   cvs rdiff -u -r1.52 -r1.53 pkgsrc/net/libtorrent/Makefile
pullup 4540