cargo-flash: fix build

Since v0.10.0 cargo-flash uses sentry for logging, which requires
openssl.

pkgs/development/tools/rust/cargo-flash/default.nix

@@ -3,6 +3,7 @@
 , rustPlatform
 , fetchFromGitHub
 , libusb1
+, openssl
 , pkg-config
 , rustfmt
 , Security
@@ -22,7 +23,7 @@ rustPlatform.buildRustPackage rec {
   cargoSha256 = "sha256-P7xyg9I1MhmiKlyAI9cvABcYKNxB6TSvTgMsMk5KxAQ=";
 
   nativeBuildInputs = [ pkg-config rustfmt ];
-  buildInputs = [ libusb1 ] ++ lib.optionals stdenv.isDarwin [ Security ];
+  buildInputs = [ libusb1 openssl ] ++ lib.optionals stdenv.isDarwin [ Security ];
 
   meta = with lib; {
     description = "A cargo extension for working with microcontrollers";