Remove tailing space from first line -- NedBSD apparently doesn't like it

This commit was SVN r22418.

autogen.sh

@@ -1,4 +1,4 @@
-#! /usr/bin/env bash 
+#! /usr/bin/env bash
 #
 # Copyright (c) 2004-2009 The Trustees of Indiana University and Indiana
 #                         University Research and Technology