dig pixel now takes a int parameter.

not sure why I made it a pointer in the first place...

git-svn-id: https://yabause.svn.sourceforge.net/svnroot/yabause/trunk@3104 d7be59e3-070e-4b9a-85a1-4646befae34d
Fixed the "pixels at the same priority" bug.

This fix some of the regressions in Nights

git-svn-id: https://yabause.svn.sourceforge.net/svnroot/yabause/trunk@3105 d7be59e3-070e-4b9a-85a1-4646befae34d