[cmake] Bump davix to 0.8.1:

Fixes macOS 12 builds.
neon is gone, and curl is already part of davix.a (cern-fts/davix#93).

builtins/davix/CMakeLists.txt

@@ -10,16 +10,14 @@ find_package(libuuid REQUIRED)
 find_package(LibXml2 REQUIRED)
 find_package(OpenSSL REQUIRED)
 
-set(DAVIX_VERSION "0.7.6")
+set(DAVIX_VERSION "0.8.1")
 set(DAVIX_URL "http://lcgpackages.web.cern.ch/lcgpackages/tarFiles/sources")
-set(DAVIX_URLHASH "SHA256=fc9b5341d006482755684052328740449f2decc33ad7b5ba3e2c614fe602e6e2")
+set(DAVIX_URLHASH "SHA256=3f42f4eadaf560ab80984535ffa096d3e88287d631960b2193e84cf29a5fe3a6")
 set(DAVIX_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/DAVIX-prefix)
 set(DAVIX_LIBNAME ${CMAKE_STATIC_LIBRARY_PREFIX}davix${CMAKE_STATIC_LIBRARY_SUFFIX})
 
-foreach(lib davix neon)
-  set(libname ${CMAKE_STATIC_LIBRARY_PREFIX}${lib}${CMAKE_STATIC_LIBRARY_SUFFIX})
-  list(APPEND DAVIX_LIBRARIES ${DAVIX_PREFIX}/lib/${libname})
-endforeach()
+set(DAVIX_LIBRARIES
+   ${DAVIX_PREFIX}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}davix${CMAKE_STATIC_LIBRARY_SUFFIX})
 
 string(REPLACE "-Werror " "" DAVIX_CXX_FLAGS "${CMAKE_CXX_FLAGS} ")