Introcuded the "eof" variable for indicating the end of file. The p variable is

Introcuded the "eof" variable for indicating the end of file. The p variable is
checked against eof when the processing loop is broken out of due to p == pe.
If p == eof at this time then the EOF actions are executed. The variable is
required only when EOF actions have been emebedded.

git-svn-id: http://svn.complang.org/ragel/trunk@286 052ea7fc-9027-0410-9066-f65837a77df0