PIIODevice destructor fix

libs/main/io_devices/pisharedmemory.h

@@ -37,7 +37,7 @@ public:
 	explicit PISharedMemory(const PIString & shm_name, int size, DeviceMode mode = ReadWrite);
 	
 	
-	virtual ~PISharedMemory() {close();}
+	virtual ~PISharedMemory();
 	
 	//! Read all shared memory object content to byte array and return it
 	PIByteArray readAll();