message: correct bad CMake syntax
diff: @@ -333,7 +333,7 @@ macro(irr_target_link_openssl _trgt)
  target_link_libraries(${_trgt} INTERFACE
  ../../../openssl/crypto.a
  )
  - elif (WIN32)
  + elseif (WIN32)
  target_link_libraries(${_trgt} INTERFACE
  ../../../openssl/lib/libeay32.lib
  )
  