Indentation and non-semantic changes only.

Summary:
Get these lines fitting in 80 columns, and replace ptext (sLit ...) with text

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>

Test Plan: validate

Reviewers: simonmar, austin

Subscribers: thomie, carter, ezyang, simonmar

Differential Revision: https://phabricator.haskell.org/D342