build: Update sdbusplus-gen-meson

Change-Id: Idb647ddb3b0453d05cf3a55e883e0f4b26227b81
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/gen/xyz/openbmc_project/Network/IP/Create/meson.build b/gen/xyz/openbmc_project/Network/IP/Create/meson.build
index 16dc0a1..647c812 100644
--- a/gen/xyz/openbmc_project/Network/IP/Create/meson.build
+++ b/gen/xyz/openbmc_project/Network/IP/Create/meson.build
@@ -3,6 +3,7 @@
     'xyz/openbmc_project/Network/IP/Create__cpp'.underscorify(),
     input: [ '../../../../../../yaml/xyz/openbmc_project/Network/IP/Create.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
+    depend_files: sdbusplusplus_depfiles,
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),