V4L/DVB (3355): removed uneeded init on structs like static int foo=0

- Static vars are equal to zero by default. Removed unnecessary =0 from them,
  saving some data space

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/bttv-i2c.c b/drivers/media/video/bttv-i2c.c
index 748d630..614c120 100644
--- a/drivers/media/video/bttv-i2c.c
+++ b/drivers/media/video/bttv-i2c.c
@@ -41,9 +41,9 @@
 
 static int attach_inform(struct i2c_client *client);
 
-static int i2c_debug = 0;
-static int i2c_hw = 0;
-static int i2c_scan = 0;
+static int i2c_debug;
+static int i2c_hw;
+static int i2c_scan;
 module_param(i2c_debug, int, 0644);
 module_param(i2c_hw,    int, 0444);
 module_param(i2c_scan,  int, 0444);