Fix styling

Author: andrehjr

clippy_lints/src/path_buf_push_overwrite.rs

@@ -1,10 +1,10 @@
-use crate::utils::{match_type, walk_ptrs_ty, paths, span_help_and_lint};
+use crate::utils::{match_type, paths, span_help_and_lint, walk_ptrs_ty};
 use if_chain::if_chain;
 use rustc::hir::*;
 use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
-use syntax::ast::{LitKind};
 use rustc::{declare_tool_lint, lint_array};
 use std::path::Path;
+use syntax::ast::{LitKind};
 
 declare_clippy_lint! {
     /// **What it does:*** Checks for `push` calls on `PathBuf` that can cause overwrites.