Bump minor version to 0.51.2.

Author: jdm

Cargo.toml

@@ -2,7 +2,7 @@
 name = "mozjs_sys"
 description = "System crate for the Mozilla SpiderMonkey JavaScript engine."
 repository = "https://github.com/servo/mozjs/"
-version = "0.51.1"
+version = "0.51.2"
 authors = ["Mozilla"]
 links = "mozjs"
 build = "build.rs"
@@ -31,4 +31,4 @@ bindgen = "0.36.1"
 cc = "1.0"
 
 [patch.crates-io]
-libloading = { git = "https://github.com/servo/rust_libloading", branch = "mac-crash-revert" }
+libloading = { git = "https://github.com/servo/rust_libloading", branch = "mac-crash-revert" }