V4L/DVB (7032): tda18271: tda18271_cal_on_startup should be declared static

This module option variable is only handled within the file tda18271-fe.c -

Declare this variable as static.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/dvb/frontends/tda18271-fe.c

@@ -27,7 +27,7 @@ module_param_named(debug, tda18271_debug, int, 0644);
 MODULE_PARM_DESC(debug, "set debug level "
 		 "(info=1, map=2, reg=4, adv=8, cal=16 (or-able))");
 
-int tda18271_cal_on_startup;
+static int tda18271_cal_on_startup;
 module_param_named(cal, tda18271_cal_on_startup, int, 0644);
 MODULE_PARM_DESC(cal, "perform RF tracking filter calibration on startup");