replace sdlshapes.png with non-zero version
I guess at some time we could pick one but the png version keeps
disappearing.
invtriangle.gif mrecord.gif nohead.gif none.gif note.gif octagon.gif \
parallelogram.gif pentagon.gif plaintext.gif point.gif polygon.gif \
record.gif record2.gif rect.gif rectangle.gif round.gif septagon.gif tab.gif \
- trapezium.gif triangle.gif tripleoctagon.gif sdlshapes.png \
+ trapezium.gif triangle.gif tripleoctagon.gif sdlshapes.jpg sdlshapes.png \
html2.gv html3.gv html4.gv plugins.png
EXTRA_DIST = $(html_DATA)