Use correct type for card field.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2621 c046a42c-6fe2-441c-8c8c-71466251a162

hw/pl181.c

@@ -22,7 +22,7 @@ do { printf("pl181: " fmt , ##args); } while (0)
 #define PL181_FIFO_LEN 16
 
 typedef struct {
-    struct sd_state_s *card;
+    SDState *card;
     uint32_t base;
     uint32_t clock;
     uint32_t power;