As per sberg' suggestion
Limit it to == and !=, because some people like the flow of inequalities
like: "0 < a && a < 42"
The changes to sal/ were made using the rewriter.
The rewriter still has one bug, in pipe.cxx, it managed to pick up
some random piece of macro. No idea why.
Change-Id: I01305f9c5396a4b6c7421d6e92f1b4b529388e82
Reviewed-on: https://gerrit.libreoffice.org/30962
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Noel Grandin <noel.grandin@collabora.co.uk>