doc: Fix build.

* doc/manual/gpl.texi: Fix section.
* doc/manual/scute.texi: Drop empty item.

Signed-off-by: Justus Winter <justus@g10code.com>

doc/manual/gpl.texi

@@ -12,7 +12,7 @@ Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.
 @end display
 
-@appendixsubsec Preamble
+@unnumberedsec Preamble
 
   The licenses for most software are designed to take away your
 freedom to share and change it.  By contrast, the GNU General Public

doc/manual/scute.texi

@@ -631,7 +631,6 @@ polling.
 Not supported.
 
 @item C_InitToken
-@itemx
 
 @itemx C_InitPIN
 @itemx C_SetPIN