message: ImFont::CalcWordWrapPositionA: minor optimization
diff: @@ -1895,6 +1895,7 @@ const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const c
  float line_width = 0.0f;
  float word_width = 0.0f;
  float blank_width = 0.0f;
  + wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters
  const char* word_end = text;
  const char* prev_word_end = NULL;
  @@ -1933,7 +1934,7 @@ const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const c
  }
  }
  - const float char_width = ((int)c < IndexXAdvance.Size ? IndexXAdvance[(int)c] : FallbackXAdvance) * scale;
  + const float char_width = ((int)c < IndexXAdvance.Size ? IndexXAdvance[(int)c] : FallbackXAdvance);
  if (ImCharIsSpace(c))
  {
  if (inside_word)
  