aux -> auxiliary (breaks Windows)

tests/compile-fail/conf_french_blacklisted_name.rs

@@ -1,5 +1,5 @@
 #![feature(plugin)]
-#![plugin(clippy(conf_file="./tests/aux/conf_french_blacklisted_name.toml"))]
+#![plugin(clippy(conf_file="./tests/auxiliary/conf_french_blacklisted_name.toml"))]
 
 #![allow(dead_code)]
 #![allow(single_match)]

tests/compile-fail/conf_non_existant.rs

@@ -1,6 +1,6 @@
 // error-pattern: error reading Clippy's configuration file
 
 #![feature(plugin)]
-#![plugin(clippy(conf_file="./tests/aux/non_existant_conf.toml"))]
+#![plugin(clippy(conf_file="./tests/auxiliary/non_existant_conf.toml"))]
 
 fn main() {}

tests/compile-fail/conf_unknown_key.rs

@@ -1,6 +1,6 @@
 // error-pattern: error reading Clippy's configuration file: unknown key `foobar`
 
 #![feature(plugin)]
-#![plugin(clippy(conf_file="./tests/aux/conf_unknown_key.toml"))]
+#![plugin(clippy(conf_file="./tests/auxiliary/conf_unknown_key.toml"))]
 
 fn main() {}

tests/run-pass/conf_whitelisted.rs

@@ -1,4 +1,4 @@
 #![feature(plugin)]
-#![plugin(clippy(conf_file="./tests/aux/conf_whitelisted.toml"))]
+#![plugin(clippy(conf_file="./tests/auxiliary/conf_whitelisted.toml"))]
 
 fn main() {}