message: Squash valgrind warnings for groestl by initing array
diff: @@ -2738,7 +2738,7 @@ static void
  groestl_small_init(sph_groestl_small_context *sc, unsigned out_size)
  {
  size_t u;
  -
  + for (u = 0; u < 64; u ++) sc->buf[u] = 0;
  sc->ptr = 0;
  #if SPH_GROESTL_64
  for (u = 0; u < 7; u ++)
  @@ -2815,13 +2815,13 @@ groestl_small_close(sph_groestl_small_context *sc,
  {
  unsigned char *buf;
  unsigned char pad[72];
  - size_t u, ptr, pad_len;
  + size_t u=0, ptr=0, pad_len=0;
  #if SPH_64
  - sph_u64 count;
  + sph_u64 count=0;
  #else
  - sph_u32 count_high, count_low;
  + sph_u32 count_high=0, count_low=0;
  #endif
  - unsigned z;
  + unsigned z=0;
  DECL_STATE_SMALL
  buf = sc->buf;
  @@ -2875,6 +2875,7 @@ groestl_big_init(sph_groestl_big_context *sc, unsigned out_size)
  {
  size_t u;
  + for (u = 0; u < 128; u ++) sc->buf[u] = 0;
  sc->ptr = 0;
  #if SPH_GROESTL_64
  for (u = 0; u < 15; u ++)
  