stb_vorbis: fix unused functions

stb_vorbis.c

@@ -1548,14 +1548,6 @@ static uint32 get_bits(vorb *f, int n)
    return z;
 }
 
-static int32 get_bits_signed(vorb *f, int n)
-{
-   uint32 z = get_bits(f, n);
-   if (z & (1 << (n-1)))
-      z += ~((1 << n) - 1);
-   return (int32) z;
-}
-
 // @OPTIMIZE: primary accumulator for huffman
 // expand the buffer to as many bits as possible without reading off end of packet
 // it might be nice to allow f->valid_bits and f->acc to be stored in registers,
@@ -1639,23 +1631,6 @@ static int codebook_decode_scalar_raw(vorb *f, Codebook *c)
    return -1;
 }
 
-static int codebook_decode_scalar(vorb *f, Codebook *c)
-{
-   int i;
-   if (f->valid_bits < STB_VORBIS_FAST_HUFFMAN_LENGTH)
-      prep_huffman(f);
-   // fast huffman table lookup
-   i = f->acc & FAST_HUFFMAN_TABLE_MASK;
-   i = c->fast_huffman[i];
-   if (i >= 0) {
-      f->acc >>= c->codeword_lengths[i];
-      f->valid_bits -= c->codeword_lengths[i];
-      if (f->valid_bits < 0) { f->valid_bits = 0; return -1; }
-      return i;
-   }
-   return codebook_decode_scalar_raw(f,c);
-}
-
 #ifndef STB_VORBIS_NO_INLINE_DECODE
 
 #define DECODE_RAW(var, f,c)                                  \
@@ -1674,6 +1649,23 @@ static int codebook_decode_scalar(vorb *f, Codebook *c)
 
 #else
 
+static int codebook_decode_scalar(vorb *f, Codebook *c)
+{
+   int i;
+   if (f->valid_bits < STB_VORBIS_FAST_HUFFMAN_LENGTH)
+      prep_huffman(f);
+   // fast huffman table lookup
+   i = f->acc & FAST_HUFFMAN_TABLE_MASK;
+   i = c->fast_huffman[i];
+   if (i >= 0) {
+      f->acc >>= c->codeword_lengths[i];
+      f->valid_bits -= c->codeword_lengths[i];
+      if (f->valid_bits < 0) { f->valid_bits = 0; return -1; }
+      return i;
+   }
+   return codebook_decode_scalar_raw(f,c);
+}
+
 #define DECODE_RAW(var,f,c)    var = codebook_decode_scalar(f,c);
 
 #endif