Include <linux/syscalls.h> in files that need them.

drivers/media/dvb/frontends/alps_tdlb7.c

@@ -36,6 +36,7 @@
 #include <linux/fs.h>
 #include <linux/unistd.h>
 #include <linux/delay.h>
+#include <linux/syscalls.h>
 
 #include "dvb_frontend.h"
 #include "dvb_functions.h"

drivers/media/dvb/frontends/sp887x.c

@@ -24,7 +24,7 @@
 #include <linux/fcntl.h>
 #include <linux/errno.h>
 #include <linux/i2c.h>
-
+#include <linux/syscalls.h>
 
 #include "dvb_frontend.h"
 #include "dvb_functions.h"

drivers/media/dvb/frontends/tda1004x.c

@@ -43,6 +43,8 @@
 #include <linux/unistd.h>
 #include <linux/fcntl.h>
 #include <linux/errno.h>
+#include <linux/syscalls.h>
+
 #include "dvb_frontend.h"
 #include "dvb_functions.h"