Re-implemented renormalise_bands() based on renormalise_vector().
diff --git a/libcelt/vq.h b/libcelt/vq.h
index eec85e6..4eaf885 100644
--- a/libcelt/vq.h
+++ b/libcelt/vq.h
@@ -61,6 +61,8 @@
  */
 void alg_unquant(celt_norm_t *X, int N, int K, celt_norm_t *P, ec_dec *dec);
 
+void renormalise_vector(celt_norm_t *X, celt_word16_t value, int N, int stride);
+
 /** Intra-frame predictor that matches a section of the current frame (at lower
  * frequencies) to encode the current band.
  * @param x Residual signal to quantise/encode (returns quantised version)