[PATCH] (2/3) skfp -- sparse __user annotation

Add __user annotation to the device specific ioctl.

drivers/net/skfp/h/targetos.h

@@ -110,7 +110,7 @@
 struct s_skfp_ioctl {
 	unsigned short cmd;                /* Command to run */
 	unsigned short len;                /* Length of the data buffer */
-	unsigned char  *data;              /* Pointer to the data buffer */
+	unsigned char __user *data;        /* Pointer to the data buffer */
 };
 
 /*