fix-Abs-parenthesis

fix-Abs-parenthesis

Replace Abs(foo < bar) by Abs(foo) < bar

This is legal C++, but certainly not the expected result,
(foo < bar) is a boolean which is promoted to an int, and
the function Abs(int) is called.

These bugs have been reported by Fotios Sioutis on the
opencascade forum.
Submitted upstream: http://www.opencascade.org/org/forum/thread_20187/

Gbp-Pq: Topic submitted
Gbp-Pq: Name fix-Abs-parenthesis.patch