There are compiler specific directives (not part of the standard language), for that compiler, that allow you to change the source form in use.
Place the relevant directive before the include file, and then place the other directive after the include file to switch the source form back. Perhaps:
!DEC$ NOFREEFORM
INCLUDE 'lapack.inc'
!DEC$ FREEFORM
See http://software.intel.com/en-us/node/466230 for more information.