Minor typo in profiling macro

Foam::profiling mixed up with Foam::Profiling

suggested fix: profiling.patch

assigned to @mark

mentioned in commit e8156959b09222b729a26fc036d55084f21f5664

closed via commit 7e16d36a666c676c4afe97909a68e9cff19a1efe

Thanks - now in maintenance 1606, 1612 - will get into develop in the next merge (a few days or so).

mentioned in commit 7e16d36a666c676c4afe97909a68e9cff19a1efe

mentioned in commit a647063f

mentioned in commit e6695e73

mentioned in issue #1989