Botan: Use Botan 2 if it is available
This commit fixes
if (NOT BOTAN_FOUND)
include (FindPkgConfig)
- pkg_search_module (BOTAN QUIET botan-1.10 botan-1.9 botan-1.8 botan)
+ pkg_search_module (BOTAN QUIET botan-1.10 botan-1.9 botan-1.8 botan-2 botan)
endif ()
if (BOTAN_FOUND)
