Prepare v0.10.0-rc-5 (#52)

Author: dhardy

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rand_core"
-version = "0.10.0-rc-4"
+version = "0.10.0-rc-5"
 authors = ["The Rand Project Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"