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/expectations/struct.c

@@ -0,0 +1,28 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct Opaque Opaque;
+
+typedef struct {
+  int32_t x;
+  float y;
+} Normal;
+
+typedef struct {
+  int32_t x;
+  float y;
+} NormalWithZST;
+
+typedef struct {
+  int32_t m0;
+  float m1;
+} TupleRenamed;
+
+typedef struct {
+  int32_t x;
+  float y;
+} TupleNamed;
+
+void root(Opaque *a, Normal b, NormalWithZST c, TupleRenamed d, TupleNamed e);