git-svn-id: http://svn.code.sf.net/p/qlandkartegt/code/QLandkarteGT/trunk@3983 d0c010d8-bb82-477e-a075-112140230451
fix crash on arborting new waypoint


git-svn-id: http://svn.code.sf.net/p/qlandkartegt/code/QLandkarteGT/trunk@3984 d0c010d8-bb82-477e-a075-112140230451