staging: altera-stapl: dont cast void* from kmalloc()

 Casting (void *) value returned by kmalloc is useless
 as mentioned in Documentation/CodingStyle, Chap 14.

 The semantic patch that makes this output is available
 in scripts/coccinelle/api/alloc/drop_kmalloc_cast.cocci.

 More information about semantic patching is available at
 http://coccinelle.lip6.fr/Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/altera-stapl/altera.c

@@ -2384,7 +2384,7 @@ static int altera_get_act_info(u8 *p,
 		act_proc_attribute =
 			(p[proc_table + (13 * act_proc_id) + 8] & 0x03);
 
-		procptr = (struct altera_procinfo *)
+		procptr =
 				kzalloc(sizeof(struct altera_procinfo),
 								GFP_KERNEL);