Forbid unsafe everywhere

Sebastian Thiel · Sebastian Thiel · commit f4028baf655e · 2019-07-22T12:57:30.000+08:00
Looks much better in cargo-geiger, and is the right thing to do
I believe. Most crates should be able to work without any unsafe.
diff --git a/src/lib.rs b/src/lib.rs
@@ -1,3 +1,5 @@
+#![forbid(unsafe_code)]
+
 extern crate failure;
 extern crate jwalk;
 
diff --git a/src/main.rs b/src/main.rs
@@ -1,3 +1,4 @@
+#![forbid(unsafe_code)]
 #![allow(clippy::match_bool)]
 extern crate failure;
 extern crate failure_tools;
diff --git a/tui-react/src/lib.rs b/tui-react/src/lib.rs
@@ -1,3 +1,5 @@
+#![forbid(unsafe_code)]
+
 mod list;
 mod terminal;
 
