[3.0] b2c508c Recognize OpenBSD as platform. Federico says it almost works.

[Tollef Fog Heen]

commit b2c508c676920545cde2064ed1db41603a2b404d
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Thu Aug 9 08:27:03 2012 +0000

    Recognize OpenBSD as platform.  Federico says it almost works.
    
    Submitted by:	Federico G. Schwindt

diff --git a/autogen.sh b/autogen.sh
index 07df626..6d28093 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -12,6 +12,9 @@ Darwin)
 FreeBSD)
     LIBTOOLIZE=libtoolize
     ;;
+OpenBSD)
+    LIBTOOLIZE=libtoolize
+    ;;
 Linux)
     LIBTOOLIZE=libtoolize
     ;;