media: tc358743: initialize variable

clang static analysis flags this error

tc358743.c:1468:9: warning: Branch condition evaluates
to a garbage value
return handled ? IRQ_HANDLED : IRQ_NONE;
^~~~~~~
handled should be initialized to false.

Fixes: d747b806abf4 ("[media] tc358743: add direct interrupt handling")
Signed-off-by: Tom Rix <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/i2c/tc358743.c

···
 static irqreturn_t tc358743_irq_handler(int irq, void *dev_id)
 {
 	struct tc358743_state *state = dev_id;
-	bool handled;
+	bool handled = false;
 
 	tc358743_isr(&state->sd, 0, &handled);