[project @ 2003-03-18 14:36:56 by simonmar]

Fix a profiling crash on Windows.

fprint_ccs used snprintf() to avoid overflowing a buffer; on mingw32
where snprintf() doesn't exist we were just using the straight
sprintf(), which inevitably lead to a crash.  Rewritten to use a
homegrown non-overflowing string copying function - it actually looks
nicer now, anwyay.