RPM build fix (reverted CI changes which will need to be un-reverted or made conditional) and vendor Rust dependencies to make builds much faster in any CI system.

zeroidc/vendor/cbindgen/tests/rust/generic_pointer.rs

@@ -0,0 +1,11 @@
+#[repr(C)]
+pub struct Foo<T> {
+    a: T,
+}
+
+pub type Boo = Foo<*mut u8>;
+
+#[no_mangle]
+pub extern "C" fn root(
+    x: Boo,
+) { }