updating following up Proto/Darwin!41 [skip ci]

darwin.xml.in

-<tool name="protodarwin" version="1.0"> <!-- TODO -->
+<tool name="darwin" version="1.0"> <!-- TODO -->
   <lib name="DarwinUserInfo"/>
   <lib name="DarwinMetaInfo"/>
   <lib name="DarwinOptions"/>
   <lib name="DarwinObjects"/>
   <info url="https://protodarwin.docs.cern.ch"/>
   <client>
-    <environment name="DARWIN" default="${CMAKE_SOURCE_DIR}"/>
-    <environment name="INCLUDE" default="${CMAKE_INSTALL_FULL_INCLUDEDIR}/ProtoDarwin"/>
+    <environment name="INCLUDE" default="${CMAKE_INSTALL_FULL_INCLUDEDIR}/Darwin"/>
     <environment name="LIBDIR" default="${CMAKE_INSTALL_FULL_LIBDIR}"/>
   </client>
   <use name="boost" />
   <use name="boost_program_options" />
-  <runtime name="DARWIN_BASE" value="${CMAKE_SOURCE_DIR}" type="path"/>
+  <runtime name="DARWIN_BASE" value="${CMAKE_SOURCE_DIR}/Darwin" type="path"/>
   <runtime name="DARWIN_FIRE_AND_FORGET" value="$CMSSW_BASE/lib/$SCRAM_ARCH" type="path"/><!-- TODO -->
   <runtime name="PATH" value="${CMAKE_INSTALL_FULL_BINDIR}" type="path"/>
   <runtime name="LD_LIBRARY_PATH" value="${CMAKE_INSTALL_FULL_LIBDIR}" type="path"/>