adapt to latest libqcr: messageHandler now in namespace qcr.

4 jobs for issue046 in 22 minutes and 43 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Build
passed #96687
Linux
debS_clang

00:10:23

passed #96613
Linux
debS_gcc

00:09:46

passed #96615
Windows
windows

00:02:33

failed #96614
Linux
debS_clang

00:04:40