Maintenance release for OpenTTD trunk users (OpenTTD 1.3+)
This release brings you the sprites for the indication of the happiness in the townlist. You want this release if you play with OpenTTD trunk or OpenTTD 1.3 or newer.
Note to package maintainers: No need to update OpenGFX, if you ship OpenTTD 1.2.x or older.
Note2: OpenGFX 0.4.5 builds with NML = 0.2.3 only successfully. (not > 0.2.3, checksum issue)