don't use global cfile at all but only an untpyed handle to call the cf_... functions in file.c
move the save_file member from capture_file to capture_opts, as it's only used while capturing and while preparing it
svn path=/trunk/; revision=13276
they have LF at the end of the line on UN*X and CR/LF on Windows;
hopefully this means that if a CR/LF version is checked in on Windows,
the CRs will be stripped so that they show up only when checked out on
Windows, not on UN*X.
svn path=/trunk/; revision=11400