staging: wilc1000: fixes a struct allocation to match coding standards

This patch fixes the checks reported by checkpatch.pl
for prefer kmalloc(sizeof(*rqe)...) over kmalloc(sizeof(struct rxq_entry_t)...)
Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_wlan.c

@@ -1132,7 +1132,7 @@ static void wilc_wlan_handle_isr_ext(struct wilc *wilc, u32 int_status)
 			offset += size;
 			p->rx_buffer_offset = offset;
 #endif
-			rqe = kmalloc(sizeof(struct rxq_entry_t), GFP_KERNEL);
+			rqe = kmalloc(sizeof(*rqe), GFP_KERNEL);
 			if (rqe) {
 				rqe->buffer = buffer;
 				rqe->buffer_size = size;