cffile upload issue

[georgemeng]

When scanning code, this code works fine:

	<cffile action="upload" 
		result="result" 
		filefield="FILE" 
		destination="#uploadFile#" 
		nameconflict="overwrite"
		allowedExtensions="pdf,.xls,.xlsx,.doc,.docx" />

But this would report an issue Possible Unsafe File Upload [file-upload]

	<cffile action="upload" 
		result="result" 
		filefield="FILE" 
		destination="#uploadFile#" 
		nameconflict="overwrite"
		allowedExtensions=".pdf,.xls,.xlsx,.doc,.docx,.ppt" />

The difference is the .ppt in the allowedExtensions. How to support .ppt (powerpoint) and pass the fixinator scan?