In version 3.5 for Mac OS, the standard Java logo is used in the dock, and the application’s name in the menu bar is “Main”. To fix it, add -Xdock:icon=../acorn.icns -Xdock:name=Squirrel to MACOSX_SQUIRREL_PROPS in squirrel-sql.sh.
Martin W. Kirst
As an alternative, you may merge this pull request below, which solves this issue programatically.
Just as a hint: this feature request relates to