rivafb: Fix I2C getscl callback function

Fix rivafb's I2C getscl callback function, as was done in nvidiafb recently.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/video/riva/rivafb-i2c.c

@@ -70,8 +70,6 @@ static int riva_gpio_getscl(void* data)
 	if (VGA_RD08(par->riva.PCIO, 0x3d5) & 0x04)
 		val = 1;
 
-	val = VGA_RD08(par->riva.PCIO, 0x3d5);
-
 	return val;
 }