headers_check fix: video/sisfb.h

fix the following 'make headers_check' warnings:

  usr/include/video/sisfb.h:25: include of <linux/types.h> is preferred over <asm/types.h>
  usr/include/video/sisfb.h:78: found __[us]{8,16,32,64} type without #include <linux/types.h>

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
diff --git a/include/video/sisfb.h b/include/video/sisfb.h
index e402eb5..fdd74f1 100644
--- a/include/video/sisfb.h
+++ b/include/video/sisfb.h
@@ -21,8 +21,8 @@
 #ifndef _LINUX_SISFB_H_
 #define _LINUX_SISFB_H_
 
+#include <linux/types.h>
 #include <asm/ioctl.h>
-#include <asm/types.h>
 
 /**********************************************/
 /*                   PUBLIC                   */