twamr-tseq-enc: treat dribble input as non-fatal 3GPP VAD2 test sequences dt22.inp and dt23.inp have incomplete frames at the end, hence we need to ignore that dribble in a non-fatal manner in order to pass all tests.

/*
 * This header file declares the interface to our helper function
 * for reading 16-bit linear PCM samples from a "robe" input file.
 */

extern int robe_get_pcm_block(FILE *inf, int16_t *pcmbuf);