A few places created strings based on the terminal width, using fixed-sized buffers and without checking for overflowing them. Fix those, and also replace all other sprintf() calls with snprintf(). Reported by cpet.
git-svn-id: svn://svn.code.sf.net/p/bitchx/code/tags/ircii-pana-1.1-final@1 13b04d17-f746-0410-82c6-800466cd88b0