use nsCAutoString instead of PR_smprintf to reduce pref shutdown notifications by 3x r=bnesse, sr=brendan git-svn-id: svn://10.0.0.236/trunk@109667 18797224-902f-48f8-a5cc-f745e15eee43
use nsCAutoString instead of PR_smprintf to reduce pref shutdown notifications by 3x r=bnesse, sr=brendan git-svn-id: svn://10.0.0.236/trunk@109667 18797224-902f-48f8-a5cc-f745e15eee43