2009-05-07  Dustin J. Mitchell <dustin@zmanda.com>
	    Jean-Louis Martineau <martineau@zmanda.com>
	* common-src/debug.c: do not use a mutex in debug_printf
	* common-src/pipespawn.c server-src/changer.c:
	  do not call debug_printf after fork()

2009-05-06  Dustin J. Mitchell <dustin@zmanda.com>
	* server-src/taper.c: check for division by zero and don't print 'nan'
	  for kbps
	* installcheck/taper.pl: don't expect 'nan'