message: gapi(simd): initialize accumulator values
diff: @@ -1831,7 +1831,7 @@ static void run_sepfilter5x5_char2short(short out[], const uchar *in[], int widt
  for (; l <= length - nlanes; l += nlanes)
  {
  v_uint16 t[kxLen];
  - v_int16 sum;
  + v_int16 sum = vx_setzero_s16();
  for (int i = 0; i < kxLen; ++i)
  {
  @@ -1862,7 +1862,7 @@ static void run_sepfilter5x5_char2short(short out[], const uchar *in[], int widt
  for (; l <= length - nlanes; l += nlanes)
  {
  v_int16 s[buffSize];
  - v_int16 sum;
  + v_int16 sum = vx_setzero_s16();
  for (int i = 0; i < kyLen; ++i)
  {
  