Merge #332: update nixpkgs-unstable

32acaa5 update nixpkgs-unstable (nixbitcoin)

Pull request description:

ACKs for top commit:
  erikarvstedt:
    ACK 32acaa5
  jonasnick:
    ACK 32acaa5

Tree-SHA512: b688c81da82ef5166fc8074471187f72188b3fb5dc455a9b24c5e3497e3406898185acd2e551356af3300578b2b98eeabf22edcbb7614f02f6ca34afa05b05b0

Author: jonasnick

pkgs/nixpkgs-pinned.nix

@@ -12,7 +12,7 @@ in
     sha256 = "0aj4xfkwk8gf96ypjp0rcap3hxrqg5qdwgwgx55zk0mlvq9z3h68";
   };
   nixpkgs-unstable = fetch {
-    rev = "5ff6700bb824a6d824fa021550a5596f6c3f64e7";
-    sha256 = "16fiqgvq95d9cmq3ra6id0zyzmqqn7d7287y7igag7g53lrfbjqp";
+    rev = "c7d0dbe094c988209edac801eb2a0cc21aa498d8";
+    sha256 = "1rwjfjwwaic56n778fvrmv1s1vzw565gqywrpqv72zrrzmavhyrx";
   };
 }