Staging: rtl8192e: Add #include <linux/vmalloc.h>

This driver uses vmalloc but for whatever reason vmalloc.h isn't included
on ppc.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rtl8192e/r8192E_core.c

@@ -46,6 +46,7 @@
 #undef DEBUG_TX_DESC
 
 //#define CONFIG_RTL8192_IO_MAP
+#include <linux/vmalloc.h>
 #include <asm/uaccess.h>
 #include "r8192E_hw.h"
 #include "r8192E.h"