i vaguely recall this coming up earlier in the year, but seems two files were 
missed ... probably because they're named "configure.in" and not 
"configure.ac" :).  committed as obvious.
-mike

sim/m32c/:
2011-07-11  Mike Frysinger  <vapier@gentoo.org>

	* configure.in: Add "dnl" before copyright notice.

sim/rx/:
2011-07-11  Mike Frysinger  <vapier@gentoo.org>

	* configure.in: Add "dnl" before copyright notice.

--- sim/rx/configure.in	1 Jan 2011 15:34:04 -0000	1.5
+++ sim/rx/configure.in	11 Jul 2011 18:42:13 -0000
@@ -1,7 +1,7 @@
 dnl Process this file with autoconf to produce a configure script.
 
 dnl Copyright (C) 2005, 2007, 2008, 2009, 2010, 2011
-Free Software Foundation, Inc.
+dnl Free Software Foundation, Inc.
 dnl Contributed by Red Hat, Inc.
 dnl 
 dnl This file is part of the GNU simulators.
--- sim/m32c/configure.in	1 Jan 2011 15:34:01 -0000	1.8
+++ sim/m32c/configure.in	11 Jul 2011 18:42:13 -0000
@@ -1,7 +1,7 @@
 dnl Process this file with autoconf to produce a configure script.
 
 dnl Copyright (C) 2005, 2007, 2008, 2009, 2010, 2011
-Free Software Foundation, Inc.
+dnl Free Software Foundation, Inc.
 dnl Contributed by Red Hat, Inc.
 dnl 
 dnl This file is part of the GNU simulators.