Minor whitespace cleanup.

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Fixed build on OSX10.8

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Fixed issue reported by Clang

- looks like an incomplete refactoring

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Use the mach_time only on iOS

Directly querying the CPU should work on all X86 machines

Signed-off-by: Stefan Marr <git@stefan-marr.de>