This file is indexed.

/usr/lib/GNUstep/Applications/Gridlock.app/stamp.make is in gridlock.app 1.10-4build3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

1
OLD_GNUSTEP_STAMP_ASTRING = _NSApplication-Gridlock.tiff--