opal_setup_wrappers.m4: fix typo in Fortran rpath detection

Add missing space in Libtool command for runpath detection.

Signed-off-by: Jeff Squyres <jsquyres@cisco.com>

config/opal_setup_wrappers.m4

@@ -11,7 +11,7 @@ dnl                         University of Stuttgart.  All rights reserved.
 dnl Copyright (c) 2004-2005 The Regents of the University of California.
 dnl                         All rights reserved.
 dnl Copyright (c) 2006-2010 Oracle and/or its affiliates.  All rights reserved.
-dnl Copyright (c) 2009-2015 Cisco Systems, Inc.  All rights reserved.
+dnl Copyright (c) 2009-2016 Cisco Systems, Inc.  All rights reserved.
 dnl Copyright (c) 2015-2016 Research Organization for Information Science
 dnl                         and Technology (RIST). All rights reserved.
 dnl $COPYRIGHT$