V4L/DVB: drivers/media/dvb/frontends/stv090x.c: fix use-uninitlalised

Mad guess.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Manu Abraham <manu@linuxtv.org>
Acked-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/stv090x.c

@@ -2047,7 +2047,7 @@ static int stv090x_chk_tmg(struct stv090x_state *state)
 	u32 reg;
 	s32 tmg_cpt = 0, i;
 	u8 freq, tmg_thh, tmg_thl;
-	int tmg_lock;
+	int tmg_lock = 0;
 
 	freq = STV090x_READ_DEMOD(state, CARFREQ);
 	tmg_thh = STV090x_READ_DEMOD(state, TMGTHRISE);