Strange - No luck here:

libssl0.9.7 is missing.

The file really is missing on the system - I only have libssl.so.0.9.8

Strange:

Nokia-N900:~# apt-get install --reinstall libssl0.9.7
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package libssl0.9.7 is not available, but is referred to by another package.

facebook-installer is latest version.