changed doxygile location

makefile

@@ -101,7 +101,7 @@ example: $(EXAMPLE_TARGET)
 doc:
 	- @mkdir -p output/doc/html
 	- @mkdir -p output/doc/latex
-	doxygen settings/doxygen/doxyfile
+	doxygen cfg/doxygen/doxyfile
 	
 clean:
 	- rm -rf $(OBJ_DIR)