vmware: use rpath instead of runpath

This patch sets --disable-new-dtags when linking vadp-dumper. We need to
force using rpath instead of runpath, as vixDiskLib lacks both and only
rpath will propagate to dynamically linked libraries.

(backport based on commit dd4f762)

vmware/vadp_dumper/CMakeLists.txt

@@ -1,5 +1,7 @@
 include_directories(/usr/lib/vmware-vix-disklib/include)
 link_directories(/usr/lib/vmware-vix-disklib/lib64)
+add_link_options("-Wl,--disable-new-dtags")
+set(CMAKE_INSTALL_RPATH_USE_LINK_PATH true)
 add_executable(bareos_vadp_dumper bareos_vadp_dumper.cc cbuf.cc copy_thread.cc)
 target_link_libraries(bareos_vadp_dumper vixDiskLib pthread jansson)