[PATCH] Typo in fbdev sysfs support, virtual_size

It prints out x,x instead of x,y.

Signed-off-by: Jon Smirl <jonsmirl@gmail.com>
Cc: "Antonino A. Daplas" <adaplas@hotpop.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>