add virtual destructor to slience warning; currently placeholder...not sure if it needs to actually do anything or not

external/ours/library/fileInterface/src/shared/AbstractFile.h

@@ -42,8 +42,6 @@ public:
 		PriorityAudioVideo
 	};
 
-public:
-
 	AbstractFile(PriorityType priority);
 	virtual ~AbstractFile();
 
@@ -148,6 +146,7 @@ class AbstractFileFactory
 {
 public:
 	virtual AbstractFile* createFile(const char *filename, const char *openType) = 0;
+	virtual ~AbstractFileFactory() {};
 };
 
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