12cdfb5856
Before this change, any accumulated errors from OpenImageIO would be lost and a nonsensical use of `errno` would be used instead. An example of the new error log: ``` 00:23.188 image.write | ERROR OpenImageIO write failed: sgi image resolution may not exceed 65535x65535, you asked for 65536x1 ``` Pull Request: https://projects.blender.org/blender/blender/pulls/146554