cmake: add WITH_TESTS guard around ceph-monstore-update-crush.sh

ceph-monstore-tool has been moved out of the ceph-test package,
but ceph-monstore-update-crush.sh is still there

Signed-off-by: Nathan Cutler <ncutler@suse.com>

src/tools/CMakeLists.txt

@@ -32,9 +32,11 @@ add_executable(ceph-monstore-tool
   ../mgr/mgr_commands.cc)
 target_link_libraries(ceph-monstore-tool os global Boost::program_options)
 install(TARGETS ceph-monstore-tool DESTINATION bin)
+if(WITH_TESTS)
 install(PROGRAMS
   ceph-monstore-update-crush.sh
   DESTINATION ${CMAKE_INSTALL_LIBDIR}/ceph)
+endif(WITH_TESTS)
 
 add_executable(ceph-objectstore-tool
   ceph_objectstore_tool.cc