drivers/edac/edac_mc.h must #include <linux/platform_device.h>

This patch fixes the following compile error with CONFIG_PCI=n:

<-- snip -->

...
CC drivers/edac/edac_mc.o
drivers/edac/edac_mc.c: In function ‘add_mc_to_global_list’:
drivers/edac/edac_mc.c:1362: error: implicit declaration of function ‘to_platform_device’ drivers/edac/edac_mc.c:1362: error: invalid type argument of ‘->’ drivers/edac/edac_mc.c: In function ‘edac_mc_add_mc’:
drivers/edac/edac_mc.c:1467: error: invalid type argument of ‘->’ drivers/edac/edac_mc.c: In function ‘edac_mc_del_mc’:
drivers/edac/edac_mc.c:1504: error: invalid type argument of ‘->’
make[2]: *** [drivers/edac/edac_mc.o] Error 1

<-- snip -->

---

This patch was already sent on:
- 8 Jul 2006

@@ -29,6 +29,7 @@
 #include <linux/rcupdate.h>
 #include <linux/completion.h>
 #include <linux/kobject.h>
+#include <linux/platform_device.h>
 
 #define EDAC_MC_LABEL_LEN	31
 #define MC_PROC_NAME_MAX_LEN 7