Log Message:
Updated wm/fvwm-devel to 2.5.26

 New features:

   - New MenuStyle option VerticalMargins.

* New module features:

   - FvwmButtons: New button alignment option: top.

* Bug fixes:

   - Fixed crash in ARGB visual detection code.
   - Fixed compilation without XRender support.
   - Fixed drawing of background pictures in menu items and titles.
   - Fixed hadling of shaped windows.
   - Fixed a 64-bit bug in the EWMH code.