fix some of the whitespace problems in the source

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@14582 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
fix bug in test program

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@14583 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
man/ocamlopt.m: document the Arm-specific command-line options

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@14584 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02