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/httparse/src/simd/fallback.rs

@@ -0,0 +1,8 @@
+use ::iter::Bytes;
+
+// Fallbacks that do nothing...
+
+#[inline(always)]
+pub fn match_uri_vectored(_: &mut Bytes) {}
+#[inline(always)]
+pub fn match_header_value_vectored(_: &mut Bytes) {}