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/documentation_attr.compat.c

@@ -0,0 +1,28 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+/**
+ *With doc attr, each attr contribute to one line of document
+ *like this one with a new line character at its end
+ *and this one as well. So they are in the same paragraph
+ *
+ *Line ends with one new line should not break
+ *
+ *Line ends with two spaces and a new line
+ *should break to next line
+ *
+ *Line ends with two new lines
+ *
+ *Should break to next paragraph
+ */
+void root(void);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif // __cplusplus