[FIX] Yara: added yara_indexer to the list of CTD executables
[FIX] Yara: changed auto_prt to unique_ptr (auto_prt is deprecated in C++11)
[FIX] Yara: fixed setEnv() on Windows
[FIX] Yara: disabled OpenMP on MSVC
Merge pull request #442 from esiragusa/fix/yara/warnings

Fix Yara warnings