message: Fix fallback discard pattern overwriting array bounds
diff: @@ -1576,7 +1576,7 @@ bytebuf GetDiscardPattern(DiscardType type, const ResourceFormat &fmt, uint32_t
  {
  byte *rowout = out;
  - for(uint32_t i = 0; i < DiscardPatternWidth * DiscardPatternHeight; i++)
  + for(uint32_t i = 0; i < DiscardPatternWidth; i++)
  {
  memset(rowout, val, 16);
  rowout += 16;
  