(svn r12009) -Fix [FS#1707]: Avoid loading sample.cat if it 'looks' incorrect, and avoid later null pointer dereferences by moving volume lookup deeper.
Makefile*
bin/*
!bin/data/chars.grf
!bin/data/openttdd.grf
!bin/data/openttdw.grf
!bin/data/opntitle.grf
!bin/scenario/README
!bin/scripts*
config.*
objs/*
src/rev.cpp