Fix compilation

```
/home/vhuber/feelpp/testsuite/feeldiscr/test_hcurl.cpp: In member function ‘void Feel::TestHCurl::twoElementsMesh()’:
/home/vhuber/feelpp/testsuite/feeldiscr/test_hcurl.cpp:197:122: error: ‘template’ (as a disambiguator) is only allowed within templates
/home/vhuber/feelpp/testsuite/feeldiscr/test_hcurl.cpp: In member function ‘void Feel::TestHCurl::eightElementsMesh()’:
/home/vhuber/feelpp/testsuite/feeldiscr/test_hcurl.cpp:330:122: error: ‘template’ (as a disambiguator) is only allowed within templates
```