[PATCH] fbdev: riva warning fix

drivers/video/riva/fbdev.c: In function `riva_get_EDID_OF':
drivers/video/riva/fbdev.c:1846: warning: assignment discards qualifiers from pointer target type

This code is being bad: copying a pointer to read-only OF data into a
non-const pointer.

Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/video/riva/fbdev.c

@@ -1843,7 +1843,7 @@ static int __devinit riva_get_EDID_OF(struct fb_info *info, struct pci_dev *pd)
 		for (i = 0; propnames[i] != NULL; ++i) {
 			pedid = get_property(dp, propnames[i], NULL);
 			if (pedid != NULL) {
-				par->EDID = pedid;
+				par->EDID = (unsigned char *)pedid;
 				NVTRACE("LCD found.\n");
 				return 1;
 			}