trim trailing whitespace
diff --git a/lib/tst_sig.c b/lib/tst_sig.c
index 6989305..1aa1b41 100644
--- a/lib/tst_sig.c
+++ b/lib/tst_sig.c
@@ -1,36 +1,36 @@
 /*
  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
- * 
+ *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
  * published by the Free Software Foundation.
- * 
+ *
  * This program is distributed in the hope that it would be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * 
+ *
  * Further, this software is distributed without any warranty that it is
  * free of the rightful claim of any third person regarding infringement
  * or the like.  Any license provided herein, whether implied or
  * otherwise, applies only to this software file.  Patent licenses, if
  * any, provided herein do not apply to combinations of this program with
  * other software, or any other product whatsoever.
- * 
+ *
  * You should have received a copy of the GNU General Public License along
  * with this program; if not, write the Free Software Foundation, Inc., 59
  * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- * 
+ *
  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
  * Mountain View, CA  94043, or:
- * 
- * http://www.sgi.com 
- * 
- * For further information regarding this notice, see: 
- * 
+ *
+ * http://www.sgi.com
+ *
+ * For further information regarding this notice, see:
+ *
  * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
  */
 
-/* $Id: tst_sig.c,v 1.10 2005/01/04 21:00:35 mridge Exp $ */
+/* $Id: tst_sig.c,v 1.11 2009/07/20 10:59:32 vapier Exp $ */
 
 /*****************************************************************************
 	OS Testing  - Silicon Graphics, Inc.
@@ -53,7 +53,7 @@
 
 		handler - a pointer to the unexpected signal handler to
 			be executed after an unexpected signal has been
-			detected.  If handler is set to DEF_HANDLER, a 
+			detected.  If handler is set to DEF_HANDLER, a
 			default handler is used.  This routine should be
 			declared as function returning an int.
 
@@ -61,7 +61,7 @@
 			by the unexpected signal handler before tst_exit is
 			called.  This parameter is set to NULL if no cleanup
 			routine is required.  An external variable, T_cleanup
-			is set so that other user-defined handlers have 
+			is set so that other user-defined handlers have
 			access to the cleanup routine.  This routine should be
 			declared as returning type void.
 
@@ -113,7 +113,7 @@
 		/* use default handler */
 		handler = def_handler;
 	}
-  
+
 #ifdef _SC_SIGRT_MIN
         sigrtmin = sysconf(_SC_SIGRT_MIN);
         sigrtmax = sysconf(_SC_SIGRT_MAX);
@@ -270,7 +270,7 @@
  *                    control over its personality.
  */
 static void (*tst_setup_signal( int sig, void (*handler)(int)))(int)
-{ 
+{
   struct sigaction my_act,old_act;
   int ret;