video via: make local variables static

Many local variables should be declared static.
Found by sparse, compile tested only.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
diff --git a/drivers/video/via/via_i2c.c b/drivers/video/via/via_i2c.c
index a172a31..78f1405 100644
--- a/drivers/video/via/via_i2c.c
+++ b/drivers/video/via/via_i2c.c
@@ -32,7 +32,7 @@
  */
 #define VIAFB_NUM_I2C		5
 static struct via_i2c_stuff via_i2c_par[VIAFB_NUM_I2C];
-struct viafb_dev *i2c_vdev;  /* Passed in from core */
+static struct viafb_dev *i2c_vdev;  /* Passed in from core */
 
 static void via_i2c_setscl(void *data, int state)
 {