avcodec/lzwenc: change asserts to av_asserts

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/lzwenc.c

@@ -111,7 +111,7 @@ static inline int hashOffset(const int head)
  */
 static inline void writeCode(LZWEncodeState * s, int c)
 {
-    assert(0 <= c && c < 1 << s->bits);
+    av_assert2(0 <= c && c < 1 << s->bits);
     s->put_bits(&s->pb, s->bits, c);
 }
 
@@ -207,7 +207,7 @@ void ff_lzw_encode_init(LZWEncodeState *s, uint8_t *outbuf, int outsize,
     s->maxbits = maxbits;
     init_put_bits(&s->pb, outbuf, outsize);
     s->bufsize = outsize;
-    assert(s->maxbits >= 9 && s->maxbits <= LZW_MAXBITS);
+    av_assert0(s->maxbits >= 9 && s->maxbits <= LZW_MAXBITS);
     s->maxcode = 1 << s->maxbits;
     s->output_bytes = 0;
     s->last_code = LZW_PREFIX_EMPTY;