iio:adf4350: Fix typo

There is a typo in the adf4350 driver turning a shift into a compare. This patch
fixes it.

Signed-off-by: Michael Hennerich <[e-mail]>
Signed-off-by: Lars-Peter Clausen <[e-mail]>
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/iio/frequency/adf4350.c

···
 			} while ((st->r1_mod > ADF4350_MAX_MODULUS) && r_cnt);
 		} while (r_cnt == 0);
 
-		tmp = freq * (u64)st->r1_mod + (st->fpfd > 1);
+		tmp = freq * (u64)st->r1_mod + (st->fpfd >> 1);
 		do_div(tmp, st->fpfd); /* Div round closest (n + d/2)/d */
 		st->r0_fract = do_div(tmp, st->r1_mod);
 		st->r0_int = tmp;