Add static to some functions in alac.c

alac.c

@@ -289,7 +289,7 @@ static int count_leading_zeros(int input)
 
 #define RICE_THRESHOLD 8 // maximum number of bits for a rice prefix.
 
-int32_t entropy_decode_value(alac_file* alac,
+static int32_t entropy_decode_value(alac_file* alac,
  int readSampleSize,
  int k,
  int rice_kmodifier_mask)
@@ -333,7 +333,7 @@ int32_t entropy_decode_value(alac_file* alac,
  return x;
 }
 
-void entropy_rice_decode(alac_file* alac,
+static void entropy_rice_decode(alac_file* alac,
  int32_t* outputBuffer,
  int outputSize,
  int readSampleSize,
@@ -550,7 +550,7 @@ static void predictor_decompress_fir_adapt(int32_t *error_buffer,
  }
 }
 
-void deinterlace_16(int32_t *buffer_a, int32_t *buffer_b,
+static void deinterlace_16(int32_t *buffer_a, int32_t *buffer_b,
  int16_t *buffer_out,
  int numchannels, int numsamples,
  uint8_t interlacing_shift,
@@ -609,7 +609,7 @@ void deinterlace_16(int32_t *buffer_a, int32_t *buffer_b,
  }
 }
 
-void deinterlace_24(int32_t *buffer_a, int32_t *buffer_b,
+static void deinterlace_24(int32_t *buffer_a, int32_t *buffer_b,
  int uncompressed_bytes,
  int32_t *uncompressed_bytes_buffer_a, int32_t *uncompressed_bytes_buffer_b,
  void *buffer_out,