fixed compiler warnings related to missing override tags

6 jobs for master in 4 minutes and 52 seconds
Status Job ID Name Coverage
  Test
passed #60250
Qt551 VS2013
CoMISo-VS2013-Qt-5.5.1-x64

00:01:31

passed #60251
IPOPT3129 VS2017
CoMISo-VS2017-Qt-5.10.1-x64

00:01:27

passed #60248
Linux
clang-c++11

00:04:48

passed #60247
Linux
gcc-c++11

00:04:49

passed #60249
Apple
macos-c++11

00:04:41

 
  Deploy
passed #60252
trigger_build

00:00:03