message: ImFont: Added GetDebugName() helper.
diff: @@ -1569,6 +1569,7 @@ struct ImFont
  IMGUI_API void SetFallbackChar(ImWchar c);
  float GetCharAdvance(ImWchar c) const { return ((int)c < IndexAdvanceX.Size) ? IndexAdvanceX[(int)c] : FallbackAdvanceX; }
  bool IsLoaded() const { return ContainerAtlas != NULL; }
  + const char* GetDebugName() const { return ConfigData ? ConfigData->Name : "<unknown>"; }
  // 'max_width' stops rendering after a certain width (could be turned into a 2d size). FLT_MAX to disable.
  // 'wrap_width' enable automatic word-wrapping across multiple lines to fit into given width. 0.0f to disable.
  