staging: media: lirc: Fixes missing blank line warning.

Fixes "Missing a blank line after declarations" checkpatch.pl warning in
lirc_serial.c
Signed-off-by: NGulsah Kose <gulsah.1004@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>.
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/media/lirc/lirc_serial.c

@@ -496,6 +496,7 @@ static long send_pulse_homebrew_softcarrier(unsigned long length)
 {
 	int flag;
 	unsigned long actual, target, d;
+
 	length <<= 8;
 
 	actual = 0; target = 0; flag = 0;