man: tmpfiles.d: add info about age field

The age field applies to lines starting with `v`, `C`, `X` too.
See the function `clean_item` in the file `src/tmpfiles/tmpfiles.c`

diff --git a/man/tmpfiles.d.xml b/man/tmpfiles.d.xml
index 8d3ed37..3cee0ff 100644 (file)
--- a/man/tmpfiles.d.xml
+++ b/man/tmpfiles.d.xml
@@ -506,8 +506,9 @@
 
       <para>The age field only applies to lines
       starting with <varname>d</varname>,
-      <varname>D</varname>, and
-      <varname>x</varname>. If omitted or set to
+      <varname>D</varname>, <varname>v</varname>,
+      <varname>C</varname>, <varname>x</varname> and
+      <varname>X</varname>. If omitted or set to
       <literal>-</literal>, no automatic clean-up is
       done.</para>