Fix possible memory leaks in iso9660.cpp
Fix possible integer overflow in udf25.cpp
Avoid possible divide-by-0 in DirectXGraphics.cpp
Check return value of GetResumeBookMark()
Fix incorret iterator comparison in MusicInfoScanner.cpp
Prevent possible divide-by-0 in karaokevideobackground.cpp
Check return of musicUrl.FromString() in GUIWindowMusicBase.cpp
Remove un-needed second delete of m_pInfo in PVRClient.cpp
Avoid incorrect signed-unsigned conversion on error in GUIWindowLoginScreen.cpp