/usr/lib/libMyGUI.OgrePlatform.so.0debian1 is in libmygui.ogreplatform0debian1 3.2.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libMyGUI.OgrePlatform.so.0debian1.0.0
/usr/lib/libMyGUI.OgrePlatform.so.0debian1.0.0