stream_encoder.c: Fix subframe_bps comparison

libFLAC limits the value of qlp_coeff_precision to make sure that
32-bit math is enough for decoding of 16-bit audio.

subframe_bps can be equal to 17 for 16-bit input (for side channel)
so the value of subframe_bps should be compared with 17, not 16.

Signed-off-by: Erik de Castro Lopo <erikd@mega-nerd.com>
1 file changed