AIM: fix offset calculation for > 4GB files
PCORAW: fix offsets for files larger than 4 GB
cmake: Add missing include directories

For platforms which do not have the headers on the standard
search path.
Merge pull request #1347 from melissalinkert/aim-offsets

AIM: fix offset calculation for > 4GB files
Merge pull request #1348 from melissalinkert/pcoraw-4gb

PCORAW: fix offsets for files larger than 4 GB
Merge pull request #1349 from rleigh-dundee/cmake-includes

cmake: Add missing include directories