Auto merge of #1103 - fitzgen:creduce-backup-ignore, r=emilio
Auto merge of #1103 - fitzgen:creduce-backup-ignore, r=emilio

Ignore C-Reduce's backup files

r? @pepyakin

rust-lang/rust-bindgen,rust-lang/rust-bindgen,emilio/rust-bindgen,emilio/rust-bindgen,emilio/rust-bindgen,rust-lang/rust-bindgen,rust-lang/rust-bindgen,emilio/rust-bindgen,emilio/rust-bindgen