Update nitrokey-sys dependency to v3.3.0

Now libnitrokey v3.3 is compiled from source, fixing the problems with
older libnitrokey versions (freeing strings, firmware version getter).
Also, bindgen is no longer a build dependency.  This makes the build
process a lot faster.

1 files changed, 1 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index d7f536e..134bf09 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,5 +17,5 @@ test-pro = []
 
 [dependencies]
 libc = "0.2"
-nitrokey-sys = "0.1.0"
+nitrokey-sys = "3.3.0"
 rand = "0.4"