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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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@@ -78,7 +78,7 @@ static int background_detect_exec(struct ast_channel *chan, void *data)
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int origrformat=0;
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struct ast_dsp *dsp;
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if (!data || ast_strlen_zero(data)) {
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if (ast_strlen_zero(data)) {
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ast_log(LOG_WARNING, "BackgroundDetect requires an argument (filename)\n");
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return -1;
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}
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