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/manuallydrop.rs

@@ -0,0 +1,22 @@
+#[repr(C)]
+pub struct Point {
+    x: i32,
+    y: i32,
+}
+
+#[repr(C)]
+pub struct MyStruct {
+    point: std::mem::ManuallyDrop<Point>,
+}
+
+pub struct NotReprC<T> {
+    inner: T,
+}
+
+pub type Foo = NotReprC<std::mem::ManuallyDrop<Point>>;
+
+#[no_mangle]
+pub extern "C" fn root(a: &Foo, with_manual_drop: &MyStruct) {}
+
+#[no_mangle]
+pub extern "C" fn take(with_manual_drop: std::mem::ManuallyDrop<Point>) {}