vidjil.cpp: fix -g, accepts several -g

algo/vidjil.cpp

@@ -550,7 +550,7 @@ int main (int argc, char **argv)
             {
               // argument is a directory
               multi_germline_paths_and_files.push_back(make_pair(arg, DEFAULT_MULTI_GERMLINE_FILE)) ;
-              break ;
+              continue ;
             }
         }