Stephan Seitz authored Apr 25, 2020 and Alexander Semke committed Apr 25, 2020

```
./src/backends/scilab/scilabexpression.cpp:89:24: warning: loop variable 'line' creates a copy from type 'const QString' [-Wrange-loop-construct]
    for (const QString line : lines)
                       ^
../src/backends/scilab/scilabexpression.cpp:89:10: note: use reference type 'const QString &' to prevent copying
    for (const QString line : lines)
         ^~~~~~~~~~~~~~~~~~~~
                       &
1 warning generated.
```