staging: rtl8192e: using vmalloc/vfree requires including vmalloc.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rtl8192e/rtl_core.c

@@ -43,6 +43,7 @@
 
 #include <asm/uaccess.h>
 #include <linux/pci.h>
+#include <linux/vmalloc.h>
 #include "rtl_core.h"
 #include "r8192E_phy.h"
 #include "r8192E_phyreg.h"