hgk: added -selectbackground grey to canvases

contrib/hgk

@@ -356,15 +356,15 b' proc makewindow {} {'
     set canv .ctop.top.clist.canv
     canvas $canv -height $geometry(canvh) -width $geometry(canv1) \
 	-bg white -bd 0 \
-	-yscrollincr $linespc -yscrollcommand "$cscroll set"
+	-yscrollincr $linespc -yscrollcommand "$cscroll set" -selectbackground grey
     .ctop.top.clist add $canv
     set canv2 .ctop.top.clist.canv2
     canvas $canv2 -height $geometry(canvh) -width $geometry(canv2) \
-	-bg white -bd 0 -yscrollincr $linespc
+	-bg white -bd 0 -yscrollincr $linespc -selectbackground grey
     .ctop.top.clist add $canv2
     set canv3 .ctop.top.clist.canv3
     canvas $canv3 -height $geometry(canvh) -width $geometry(canv3) \
-	-bg white -bd 0 -yscrollincr $linespc
+	-bg white -bd 0 -yscrollincr $linespc -selectbackground grey
     .ctop.top.clist add $canv3
     bind .ctop.top.clist <Configure> {resizeclistpanes %W %w}