Fix silly error

Author: daniel-noland

src/tc/filters/flower/mod.rs

@@ -5,7 +5,7 @@ bitflags! {
     #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
     pub struct Flags : u32 {
         const IsFragment = 1 << 0;
-        const FragmentIsFirst = 1 << 0;
+        const FragmentIsFirst = 1 << 1;
         const _ = !0;
     }
 }