message: ImFontAtlas: if stbtt_PackBegin() because of failing allocation we return a little more nicely. (keeps Coverity static analyzer happy!)
diff: @@ -1688,7 +1688,8 @@ bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
  // Start packing
  const int max_tex_height = 1024*32;
  stbtt_pack_context spc = {};
  - stbtt_PackBegin(&spc, NULL, atlas->TexWidth, max_tex_height, 0, atlas->TexGlyphPadding, NULL);
  + if (!stbtt_PackBegin(&spc, NULL, atlas->TexWidth, max_tex_height, 0, atlas->TexGlyphPadding, NULL))
  + return false;
  stbtt_PackSetOversampling(&spc, 1, 1);
  // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).
  