Merge pull request #317 from tgross35/update-licensing

Update licensing to MIT AND (MIT OR Apache-2.0)

Author: tgross35

Cargo.toml

@@ -4,7 +4,7 @@ categories = ["no-std"]
 description = "libm in pure Rust"
 documentation = "https://docs.rs/libm"
 keywords = ["libm", "math"]
-license = "MIT OR Apache-2.0"
+license = "MIT AND (MIT OR Apache-2.0)"
 name = "libm"
 readme = "README.md"
 repository = "https://github.com/rust-lang/libm"