Breaks php script (5.2.0): Using $area for both object and string

Affecting all versions.

Patch for 4.6.

Symptom: When submitting a node w/ attachements, module breaks php script without adding attachment to the node, and displays blank page. (on php 5.2.0 at least).

In filemanager_get_area_info($area):
Using same name for variable ($area) for both output object and input string.