small refactoring

src/mslinks/LinkInfo.java

src/mslinks/Main.java

src/mslinks/ShellLink.java

src/mslinks/ShellLinkHeader.java

src/mslinks/data/CNRLink.java

src/mslinks/data/CNRLinkFlags.java

src/mslinks/data/ConsoleData.java

src/mslinks/data/ConsoleFlags.java

src/mslinks/data/FileAttributesFlags.java

src/mslinks/data/HotKeyFlags.java

src/mslinks/data/LinkFlags.java

src/mslinks/data/LinkInfoFlags.java

src/mslinks/data/Size.java

src/mslinks/data/VolumeID.java

test.lnk