anthonyd%netscape.com 7d90e93839 fix for bug#48472 ...

apparently nsIContent::ChildAt can be successful
and not return a child. now checking fo that.
r: smfr
a: beppe


git-svn-id: svn://10.0.0.236/trunk@76116 18797224-902f-48f8-a5cc-f745e15eee43

2000-08-11 19:55:39 +00:00

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