To fix a mistake in the footer

Overlays/jurecadc_overlay/l/LWP-settings/LWP-settings-LWP-omp.eb

@@ -16,8 +16,8 @@ modextravars = {
 # Ugly hack, since otherwise we can't add paths from the main installation without
 # writting an easyblock
 modluafooter = '''
-prepend_path("LWP_LIBS",pathJoin(os.getenv("EBROOTLWP"),"lib64/liblwp_omp_gather.so"))
-setenv("LWP_OMP","pathJoin(os.getenv("EBROOTLWP"),"lib64/liblwp_omp_publish.so")")
+prepend_path("LWP_LIBS",pathJoin(os.getenv("EBROOTLWP") or "PATH_NOT_FOUND","lib64/liblwp_omp_gather.so"))
+setenv("LWP_OMP",pathJoin(os.getenv("EBROOTLWP") or "PATH_NOT_FOUND","lib64/liblwp_omp_publish.so"))
 '''
 
 moduleclass = 'system'