* NEWS, src/userdel.c, src/lastlog.c, src/gpasswd.c,

src/newusers.c, src/chpasswd.c, src/groupmems.c, src/usermod.c,
	src/chgpasswd.c, src/vipw.c, src/su.c, src/useradd.c,
	src/groupmod.c, src/passwd.c, src/groupadd.c, src/chage.c,
	src/faillog.c, src/chsh.c: If someone uses the -h/--help options,
	the usage should not go to stderr nor should the utility exit with
	non-zero status. All of the shadow utils do just this
	unfortunately, so convert them over to sanity.
	* man/groupmems.8.xml, man/gpasswd.1.xml: Added option -h/--help.

man/gpasswd.1.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
    Copyright (c) 1996       , Rafal Maszkowski
-   Copyright (c) 2007 - 2008, Nicolas François
+   Copyright (c) 2007 - 2009, Nicolas François
    All rights reserved.
   
    Redistribution and use in source and binary forms, with or without
@@ -146,6 +146,14 @@
 	</listitem>
       </varlistentry>
     </variablelist>
+    <variablelist remap='IP'>
+      <varlistentry>
+	<term><option>-h</option>, <option>--help</option></term>
+	<listitem>
+	  <para>Display help message and exit.</para>
+	</listitem>
+      </varlistentry>
+    </variablelist>
     <variablelist remap='IP'>
       <varlistentry>
 	<term>

man/groupmems.8.xml

@@ -113,6 +113,12 @@
 	  </para>
 	</listitem>
       </varlistentry>
+      <varlistentry>
+	<term><option>-h</option>, <option>--help</option></term>
+	<listitem>
+	  <para>Display help message and exit.</para>
+	</listitem>
+      </varlistentry>
       <varlistentry>
 	<term><option>-l</option>, <option>--list</option></term>
 	<listitem>