wildcard_match_arm: Update lint count.

Author: Aehmlo

README.md

@@ -7,7 +7,7 @@
 
 A collection of lints to catch common mistakes and improve your [Rust](https://github.com/rust-lang/rust) code.
 
-[There are 293 lints included in this crate!](https://rust-lang.github.io/rust-clippy/master/index.html)
+[There are 294 lints included in this crate!](https://rust-lang.github.io/rust-clippy/master/index.html)
 
 We have a bunch of lint categories to allow you to choose how much Clippy is supposed to ~~annoy~~ help you: