rust: add missing dependency to rust netfilter sample

nbdd0121 · nbdd0121 · commit 193896245705 · 2022-08-05T19:50:56.000+01:00
Signed-off-by: Gary Guo &lt;gary@garyguo.net&gt;
diff --git a/samples/rust/Kconfig b/samples/rust/Kconfig
@@ -130,6 +130,7 @@ config SAMPLE_RUST_FS
 
 config SAMPLE_RUST_NETFILTER
 	tristate "Network filter module"
+	depends on NETFILTER
 	help
 	  This option builds the Rust netfilter module sample.
 
