Follow-up to r1931690: Swap arguments when calling find_package() for serf because version must be the second positional argument. * CMakeLists.txt (serf): Ditto. Found by: jun66j5 git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1931732 13f79535-47bb-0310-9956-ffa450edef68