Re-fix crash in debug versions of Qt in contacts model
Re-fix crash in debug versions of Qt in contacts model

REVIEW: 109788
BUG: 300600

KDE/ktp-common-internals,leonhandreke/ktp-common-internals,leonhandreke/ktp-common-internals,KDE/ktp-common-internals,leonhandreke/ktp-common-internals,KDE/ktp-common-internals