Ignore an incorrect warning from Clang
Ignore an incorrect warning from Clang

* Type of aa and bb should be char16_t*.
  Clang probably does not detect correctly the code path
  because of the std::is_same<C, char16_t>::value.
* Fix #130.

dianacgr/mozart2,eregon/mozart2,Angeldude/mozart2,eregon/mozart2,Angeldude/mozart2,yjaradin/mozart2,layus/mozart2,mozart/mozart2,layus/mozart2,eregon/mozart2,dianacgr/mozart2,layus/mozart2,mozart/mozart2,yjaradin/mozart2,yjaradin/mozart2,dianacgr/mozart2,Angeldude/mozart2,mozart/mozart2