automatically generate config.h-msvc6 with the right version number.
This way Curt will pack the right file because it will be
generated every time he will do 'configure'.
Here's an unusual patch for FlightGear -- I've created .cvsignore
files for every source directory, to make CVS output more informative.
This is especially nice when using cvs-examine from (X)Emacs to look
for changes.