cmake LZMA examples

MerginMaps/mobile CMakeLists.txt :256 

find_package(Lzma REQUIRED)

alibaba/AliSQLBackup storage/innobase/xtrabackup/src/libarchive/CMakeLists.txt :171 

FIND_PACKAGE(LZMA)

google/orbit CMakeLists.txt :108 

find_package(LZMA REQUIRED)