Avoid spaces between <option> and <replaceable>

* man/chage.1.xml: Add a non breaking space between options and
	their parameter because xml2po removes those spaces. Alioth#314401
	* man/chfn.1.xml: Likewise.
	* man/chgpasswd.8.xml: Likewise.
	* man/chpasswd.8.xml: Likewise.
	* man/chsh.1.xml: Likewise.
	* man/faillog.8.xml: Likewise.
	* man/gpasswd.1.xml: Likewise.
	* man/groupadd.8.xml: Likewise.
	* man/groupdel.8.xml: Likewise.
	* man/groupmems.8.xml: Likewise.
	* man/groupmod.8.xml: Likewise.
	* man/grpck.8.xml: Likewise.
	* man/lastlog.8.xml: Likewise.
	* man/newusers.8.xml: Likewise.
	* man/passwd.1.xml: Likewise.
	* man/pwck.8.xml: Likewise.
	* man/pwconv.8.xml: Likewise.
	* man/su.1.xml: Likewise.
	* man/useradd.8.xml: Likewise.
	* man/userdel.8.xml: Likewise.
	* man/usermod.8.xml: Likewise.
	* man/vipw.8.xml: Likewise.

man/vipw.8.xml

@@ -136,8 +136,7 @@
       </varlistentry>
       <varlistentry>
 	<term>
-	  <option>-R</option>, <option>--root</option>
-	  <replaceable>CHROOT_DIR</replaceable>
+	  <option>-R</option>, <option>--root</option>&nbsp;<replaceable>CHROOT_DIR</replaceable>
 	</term>
 	<listitem>
 	  <para>