Staging: android: modify memory allocation style in ion_test.c

Modifies the memory allocation style ion_test.c in order to remove a
checkpatch.pl warning

Signed-off-by: Ben Marsh <bmarsh94@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/android/ion/ion_test.c

@@ -208,7 +208,7 @@ static int ion_test_open(struct inode *inode, struct file *file)
 	struct ion_test_data *data;
 	struct miscdevice *miscdev = file->private_data;
 
-	data = kzalloc(sizeof(struct ion_test_data), GFP_KERNEL);
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;