- removed temporal patch from myortho2() in mywindow.c, and changed

all calls to ortho2 with correctness offset of 0.375 instead of 0.5.
  this efficiently solves bug in drawing UV lines as reported.

cvS: ----------------------------------------------------------------------

source/blender/src/drawoops.c

@@ -423,7 +423,7 @@ void drawoopsspace(ScrArea *sa, void *spacedata)
 
 	
 	/* ortho at pixel level curarea */
-	myortho2(-0.5, sa->winx-0.5, -0.5, sa->winy-0.5);
+	myortho2(-0.375, sa->winx-0.375, -0.375, sa->winy-0.375);
 	if(G.v2d->scroll) {	
 		drawscroll(0);		
 	}