gifsicle: make it finally work
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@ -321,7 +321,7 @@ class ImageConvert extends ImageBase {
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if ($this->format == 'gif' && ($config['thumb_ext'] == 'gif' || $config['thumb_ext'] == '') && $config['thumb_keep_animation_frames'] > 1) {
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if ($this->gifsicle) {
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if (($error = shell_exec_error("gifsicle -w --unoptimize -O2 --resize {$this->width}x{$this->height} < " .
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escapeshellarg($this->src . '') . " \"#0-{$config['thumb_keep_animation_frames']}\" > " .
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escapeshellarg($this->src . '') . " \"#0-{$config['thumb_keep_animation_frames']}\" >/dev/null -o " .
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escapeshellarg($this->temp))) || !file_exists($this->temp))
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error('Failed to resize image!', null, $error);
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} else {
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