Author: Michael R. Crusoe <michael.crusoe@gmail.com>
Description: None of the licenese require source redistribution

So mark the package as such.
--- a/build.rs
+++ b/build.rs
@@ -363,4 +363,5 @@
             .expect("Unable to update capstone bindings");
         copy(pregenerated_bindgen_impl, out_impl_path).expect("Unable to update capstone bindings");
     }
+    println!("dh-cargo:deb-built-using=capstone=0={}", env::var("CARGO_MANIFEST_DIR").unwrap());
 }
