fix msvc

Cargo.toml.orig

@@ -0,0 +1,32 @@
+[package]
+name = "mruby-compiler2-sys"
+version = "0.4.0"
+edition = "2024"
+authors = [
+    "Uchio Kondo <udzura@udzura.jp>",
+    "Hitoshi Hasumi",
+    "prism developers",
+]
+description = "mruby-compiler2 bindings for Rust"
+license-file = "LICENSE"
+include = [
+    "src/lib.rs",
+    "build.rs",
+    "examples/*.rs",
+    "Cargo.toml",
+    "vendor/*",
+    "lib/.keep",
+]
+
+[dependencies]
+libc = { version = "0.2.182", optional = true }
+
+[build-dependencies]
+bindgen = ">= 0"
+cc = ">= 1"
+glob = ">= 0"
+
+[features]
+default = ["std"]
+std = ["dep:libc"]
+no-std = []