Added const to getters in LightNode.hh

8 jobs for light-const-correctness-fix
Status Job ID Name Coverage
  Test
passed #4099
MultiThreads Linux
clang-c++11-Qt4

00:07:19

passed #4103
MultiThreads Linux
clang-c++11-Qt5

00:09:04

passed #4101
MultiThreads Linux
clang-c++98-Qt4

00:06:55

passed #4105
MultiThreads Linux
clang-c++98-Qt5

00:08:14

passed #4098
Linux
gcc-c++11-Qt4

00:03:42

passed #4102
Linux
gcc-c++11-Qt5

00:05:21

passed #4100
Linux
gcc-c++98-Qt4

00:03:45

passed #4104
Linux
gcc-c++98-Qt5

00:03:16