staging: i2o: remove intialization of static ints

static ints are initialized to 0 by the compiler.
Explicit initialization is not necessary.

Found by checkpatch.pl - ERROR: do not initialise statics to 0 or NULL

changes made using coccinelle script:
@@
type T;
identifier var;
@@
static T var
- =0
;

Signed-off-by: Supriya Karanth <iskaranth@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/i2o/i2o_block.c b/drivers/staging/i2o/i2o_block.c
index 0a13c64..7784787 100644
--- a/drivers/staging/i2o/i2o_block.c
+++ b/drivers/staging/i2o/i2o_block.c
@@ -1028,7 +1028,7 @@
 	struct i2o_block_device *i2o_blk_dev;
 	struct gendisk *gd;
 	struct request_queue *queue;
-	static int unit = 0;
+	static int unit;
 	int rc;
 	u64 size;
 	u32 blocksize;