Update ctest to 0.2

Author: alexcrichton

systest/Cargo.toml

@@ -9,4 +9,4 @@ libgit2-sys = { path = "../libgit2-sys" }
 libc = "0.2"
 
 [build-dependencies]
-ctest = "0.1"
+ctest = "0.2"

systest/build.rs

@@ -16,7 +16,7 @@ fn main() {
        .header("git2/sys/repository.h")
        .header("git2/cred_helpers.h")
        .include(root.join("include"))
-       .type_name(|s, _| s.to_string());
+       .type_name(|s, _, _| s.to_string());
     cfg.field_name(|_, f| {
         match f {
             "kind" => "type".to_string(),