arcfb: Fix uninitialized value

Remove insignificant and uninitialized variable "count" from arcfb_lcd_update_page.

Coverity Bug 894

---

 drivers/video/arcfb.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

index df8e566..0cf26da 100644
@@ -253,7 +253,7 @@ static void arcfb_lcd_update_page(struct
 {
 	unsigned char *src;
 	unsigned int xindex, yindex, chipindex, linesize;
-	int i, count;
+	int i;
 	unsigned char val;
 	unsigned char bitmask, rightshift;
 

@@ -282,7 +282,6 @@ static void arcfb_lcd_update_page(struct
 		}
 		ks108_writeb_data(par, chipindex, val);
 		left++;
-		count++;
 		if (bitmask == 0x80) {
 			bitmask = 1;
 			src++;

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