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.cpp

@@ -0,0 +1,23 @@
+#include <cstdarg>
+#include <cstdint>
+#include <cstdlib>
+#include <ostream>
+#include <new>
+
+extern "C" {
+
+///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();
+
+} // extern "C"