Fixed crytical error with NEMO source

src/data.cpp

@@ -12,7 +12,7 @@ MString Data::Init(const CLArgs& args)
   if(res.Exist()) return "Can't open source " + src + ":\n" + res;
   *this = Data(std::move(data));
  }
- if(src == "NEMOBIO")
+ else if(src == "NEMOBIO")
  {
   NEMOBIOData data;
   auto        res = data.Open(args);