add version to dev dependency

Author: bhamail

git2-curl/Cargo.toml

@@ -23,7 +23,7 @@ civet = "0.11"
 conduit = "0.8"
 conduit-git-http-backend = "0.8"
 tempfile = "3.0"
-libgit2-sys = { path = "../libgit2-sys"}
+libgit2-sys = { path = "../libgit2-sys", version = "0.7.11" }
 
 [[test]]
 name = "all"