small fix

31 jobs for kohl/primitive-ids in 30 minutes and 38 seconds (queued for 2 seconds)
latest
Name Stage Failure
failed
clang_13.0_mpionly_eigen_petsc_trilinos Pretest
[100%] Linking CXX executable 08_CahnHilliard
[100%] Built target 08_CahnHilliard
[100%] Linking CXX executable Plume
[100%] Built target Plume
[100%] Linking CXX executable IsoviscousConvectionAnnulus
[100%] Built target IsoviscousConvectionAnnulus
make: *** [Makefile:141: all] Error 2
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1

failed
gcc_11_mpionly_dbg_sp Pretest
[100%] Linking CXX executable 08_CahnHilliard
[100%] Built target 08_CahnHilliard
[100%] Linking CXX executable Plume
[100%] Built target Plume
[100%] Linking CXX executable IsoviscousConvectionAnnulus
[100%] Built target IsoviscousConvectionAnnulus
make: *** [Makefile:141: all] Error 2
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1