V4L/DVB (12130): Fix a redundant compiler warning

drivers/media/dvb/frontends/stv090x.c: In function ‘stv090x_optimize_carloop_short’:
drivers/media/dvb/frontends/stv090x.c:2677: warning: ‘short_crl’ may be used uninitialized in this function
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/stv090x.c

@@ -2674,7 +2674,7 @@ static u8 stv090x_optimize_carloop(struct stv090x_state *state, enum stv090x_mod
 
 static u8 stv090x_optimize_carloop_short(struct stv090x_state *state)
 {
-	struct stv090x_short_frame_crloop *short_crl;
+	struct stv090x_short_frame_crloop *short_crl = NULL;
 	s32 index = 0;
 	u8 aclc = 0x0b;