Include rust files in 'make dist'

src/rust/include.am

@@ -3,4 +3,24 @@ include src/rust/tor_rust/include.am
 EXTRA_DIST +=\
 	src/rust/Cargo.toml \
 	src/rust/Cargo.lock \
-	src/rust/.cargo/config.in
+	src/rust/.cargo/config.in \
+	src/rust/external/Cargo.toml \
+	src/rust/external/external.rs \
+	src/rust/external/lib.rs \
+	src/rust/protover/Cargo.toml \
+	src/rust/protover/ffi.rs \
+	src/rust/protover/lib.rs \
+	src/rust/protover/protover.rs \
+	src/rust/protover/tests/protover.rs \
+	src/rust/smartlist/Cargo.toml \
+	src/rust/smartlist/lib.rs \
+	src/rust/smartlist/smartlist.rs \
+	src/rust/tor_allocate/Cargo.toml \
+	src/rust/tor_allocate/lib.rs \
+	src/rust/tor_allocate/tor_allocate.rs \
+	src/rust/tor_rust/Cargo.toml \
+	src/rust/tor_rust/include.am \
+	src/rust/tor_rust/lib.rs \
+	src/rust/tor_util/Cargo.toml \
+	src/rust/tor_util/ffi.rs \
+	src/rust/tor_util/lib.rs