rio: match background screen color format (thanks noam)

diff --git a/sys/src/cmd/rio/data.c b/sys/src/cmd/rio/data.c
index f9b9cfad0016c114351b9ed57cf7e6c66c601305..86e43c72fd94ac14194feb12a3ad5391b7797ac3 100644 (file)
--- a/sys/src/cmd/rio/data.c
+++ b/sys/src/cmd/rio/data.c
@@ -175,7 +175,7 @@ Cursor *corners[9] = {
 void
 iconinit(void)
 {
-       background = allocimage(display, Rect(0,0,1,1), RGB24, 1, 0x777777FF);
+       background = allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x777777FF);
 
        /* greys are multiples of 0x11111100+0xFF, 14* being palest */
        cols[BACK] = allocimage(display, Rect(0,0,1,1), CMAP8, 1, 0xFFFFFFFF^reverse);