Implement a simple shell script for finding C64 chargen ROM image file (if any can be found) for *NIX builds and note the existence of the DM_DEF_CHARGEN define in MinGW Makefile with an example.

syntax: glob
ChangeLog
*~
*.orig
*.diff
*.o
*.a
*.mak
*.d
minijss/jmix_c.c
data/
exe/
fgcl/
njv/
ft/
DOSFED/