isl29020: Remove a redundant semi-colon from return statement

One is enough.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/misc/isl29020.c b/drivers/misc/isl29020.c
index 307aada..3d6cce6 100644
--- a/drivers/misc/isl29020.c
+++ b/drivers/misc/isl29020.c
@@ -158,7 +158,7 @@
 		dev_err(&client->dev, "default write failed.");
 		return retval;
 	}
-	return 0;;
+	return 0;
 }
 
 static int  isl29020_probe(struct i2c_client *client,