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remove unnecessary checks before calls to ast_strlen_zero
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6864 65c4cc65-6c06-0410-ace0-fbb531ad65f3
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@@ -97,7 +97,7 @@ static int deltree_exec(struct ast_channel *chan, void *data)
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LOCAL_USER_REMOVE(u);
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return 0;
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}
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if (!strlen(keytree))
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if (ast_strlen_zero(keytree))
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keytree = 0;
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} else {
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family = argv;
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